The University of Southampton
Telephone:
+442380593101
Email:
jn@orc.soton.ac.uk

Professor Lars Nilsson

Academic Staff

Johan Nisson joined the ORC in 1995, promoted to Senior Research Fellow in 1998, and group leader of the High Power Fibre Lasers group since 2000. Appointed Professor in the ORC in 2006. Doctor of Engineering Sciences, Royal Institute of Technology, Stockholm, Sweden, 1994. Thesis title "Active optical waveguides for signal amplification".

Research interests include: High power fibre lasers and amplifiers, nonlinear fibre optics, optical communications, with interests in device, fabrication, materials, simulations, systems and applications aspects.

Research experience: Royal Institute of Technology, Stockholm, Sweden, Thesis work focused on EDFA, optical communications and guided-wave opticas simulations; Samsung Electronics, Korea, Development of EDFA for WDM and CATV applications; Co-founder of and consultant to Southampton Photonics; Member of the technical committee of the Optical Amplifiers and Applications topical meeting.

Publications

Alvarez-Chavez, J.A., Offerhaus, H.L., Nilsson, J., Turner, P.W., Clarkson, W.A. and Richardson, D.J. (2000) High-energy, high-power ytterbium-doped Q-switched fiber laser Optics Letters, 25, (1), pp. 37-39. (doi:10.1364/OL.25.000037).

Hwang, S.T., Song, K.-W., Song, K.-U., Park, S.H., Nilsson, J. and Cho, K. (2001) Comparative high power conversion efficiency of C plus L-band erbium-doped fibre amplifier Electronics Letters, 37, (25), pp. 1539-1541. (doi:10.1049/el:20011014).

Furusawa, Kentaro, Malinowski, A.N., Price, Jonathan H.V., Monro, Tanya M., Sahu, Jayanta K., Nilsson, Johan and Richardson, David J. (2001) Cladding pumped Ytterbium-doped fiber laser with holey inner and outer cladding Optics Express, 9, (13), pp. 714-720. (doi:10.1364/OE.9.000714).

Sahu, J.K., Renaud, C.C., Furusawa, K., Selvas, R., Alvarez-Chavez, J.A., Richardson, D.J. and Nilsson, J. (2001) Jacketed air-clad cladding pumped ytterbium-doped fibre laser with wide tuning range Electronics Letters, 37, (18), pp. 1116-1117. (doi:10.1049/el:20010753).

Renaud, Cyril C., Offerhaus, H.L., Alvarez-Chavez, J.A., Nilsson, J., Clarkson, W.A., Turner, P.W., Richardson, D.J. and Grudinin, A.B. (2001) Characteristics of Q-switched cladding-pumped ytterbium-doped fiber lasers with different high-energy fiber designs IEEE Journal of Quantum Electronics, 37, (2), pp. 199-206. (doi:10.1109/3.903069).

Clarkson, William A., Abdolvand, A., Shen, D.Y., Hayward, R.A., Cooper, L.J., Williams, R.B. and Nilsson, J. (2002) High power two-micron fibre lasers At XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers. 25 - 30 Aug 2002. (doi:10.1117/12.515806).

Clarkson, W.A., Barnes, N.P., Turner, P.W., Nilsson, J. and Hanna, D.C. (2002) High-power cladding pumped Tm-doped silica fiber laser with wavelength tuning from 1860 to 2090 nm Optics Letters, 27, (22), pp. 1989-1991. (doi:10.1364/OL.27.001989).

Laroche, M., Chardon, A.M., Nilsson, J., Shepherd, D.P., Clarkson, W.A., Girard, S. and Moncorge, R. (2002) Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser Optics Letters, 27, (22), pp. 1980-1982. (doi:10.1364/OL.27.001980).

Ylä-Jarkko, K., Alam, S.U., Turner, P.W., Godfrey, I., Singleton, J., Grudinin, A.B. and Nilsson, J. (2003) Cladding pumping technology for L-band EDFAs At Optical Fiber Communication Conference. 23 - 28 Mar 2003. (doi:10.1109/OFC.2003.1248277).

Nilsson, J., Alam, S.-U., Alvarez-Chavez, J.A., Turner, P.W., Clarkson, W.A. and Grudinin, A.B. (2003) High-power and tunable operation of erbium-ytterbium co-doped cladding-pumped fiber laser IEEE Journal of Quantum Electronics, 39, (8), pp. 987-994. (doi:10.1109/JQE.2003.814373).

Jeong, Y., Sahu, J.K., Richardson, D.J. and Nilsson, J. (2003) Seeded erbium/ytterbium co-doped fibre amplifier source with 87W of single-frequency output power Electronics Letters, 39, (24), pp. 1717-1719. (doi:10.1049/el:20031110).

Soh, D.B.S., Nilsson, J., Sahu, J.K. and Cooper, L.J. (2003) Geometrical factor modification of helical-core fiber radiation loss formula Optics Communications, 222, (1-6), pp. 235-242. (doi:10.1016/S0030-4018(03)01599-2).

Ylä-Jarkko, K.H., Selvas, R., Soh, D.B.S., Sahu, J.K., Codemard, C.A., Nilsson, J., Alam, S.U. and Grudinin, A.B. (2003) A 3.5 W 977 nm cladding-pumped jacketed air-clad ytterbium-doped fiber laser At Advanced Solid-State Photonics (ASSP). 03 - 05 Feb 2003. (doi:10.1364/ASSP.2003.103).

Ylä-Jarkko, K.H., Codemard, C., Singleton, J., Turner, P.W., Godfrey, I., Alam, S.-U., Nilsson, J., Sahu, J.K. and Grudinin, A.B. (2003) Low-noise intelligent cladding-pumped L-band EDFA IEEE Photonics Technology Letters, 15, (7), pp. 909-911. (doi:10.1109/LPT.2003.813433).

Jeong, Y., Sahu, J.K., Williams, R.B., Richardson, D.J., Furusawa, K. and Nilsson, J. (2003) Ytterbium-doped large-core fibre laser with 272W of output power Electronics Letters, 39, (13), pp. 977-978. (doi:10.1049/el:20030655).

Jeong, Y., Lee, B., Nilsson, J. and Richardson, D.J. (2003) A quasi-mode interpretation of radiation modes in long-period fiber gratings IEEE Journal of Quantum Electronics, 39, (9), pp. 1135-1142. (doi:10.1109/JQE.2003.816087).

Selvas, R., Sahu, J.K., Fu, L.B., Jang, J.N., Nilsson, J., Grudinin, A.B., Ylä-Jarkko, K., Alam, S.-U., Turner, P.W. and Moore, J. (2003) High-power, low-noise, Yb-doped, cladding-pumped, three-level fiber sources at 980 nm Optics Letters, 28, (13), pp. 1093-1095. (doi:10.1364/OL.28.001093).

Sahu, J.K., Jeong, Y., Richardson, D.J. and Nilsson, J. (2003) 103 W Erbium/ytterbium co-doped large-core fiber laser Optics Communications, 227, (1-3), pp. 159-163. (doi:10.1016/j.optcom.2003.09.022).

Fu, L.B., Selvas, R., Ibsen, M., Sahu, J.K., Jang, J.N., Alam, Shaif-ul, Nilsson, J., Richardson, D.J., Payne, D.N., Codemard, C., Goncharov, S., Zalevsky, I. and Grudinin, A.B. (2003) Fiber-DFB laser array pumped with a single 1W cw Yb-fiber laser IEEE Photonics Technology Letters, 15, (5), pp. 655-657. (doi:10.1109/LPT.2003.810253).

Malinowski, Andrew, Piper, Andrew, Price, Jonathan H.V., Furusawa, Kentaro, Jeong, Yoonchan, Nilsson, Johan and Richardson, David J. (2004) Ultrashort-pulse Yb3+-fiber-based laser and amplifier system producing >25-W average power Optics Letters, 29, (17), pp. 2073-2075. (doi:10.1364/OL.29.002073).

Jeong, Y., Sahu, J.K., Payne, D.N. and Nilsson, J. (2004) Ytterbium-doped large-core fiber laser with 1kW continuous-wave output power Electronics Letters, 40, (8), pp. 470-472. (doi:10.1049/el:20040298).

Alegria, C., Jeong, Y., Codemard, C., Sahu, J.K., Alvarez-Chavez, J.A., Fu, L.B., Ibsen, M. and Nilsson, J. (2004) 83-W single-frequency narrow-linewidth MOPA using large-core erbium-ytterbium co-coped fiber IEEE Photonics Technology Letters, 16, (8), pp. 1825-1827. (doi:10.1109/LPT.2004.830520).

Jeong, Y., Sahu, J.K., Baek, S., Alegria, C., Soh, D.B.S., Codemard, C. and Nilsson, J. (2004) Cladding-pumped ytterbium-doped large-core fiber laser with 610 W of output power Optics Communications, 234, (1-6), pp. 315-319. (doi:10.1016/j.optcom.2004.02.010).

Soh, D.B.S., Nilsson, J., Baek, S., Codemard, C., Jeong, Y. and Philippov, V. (2004) Modal power decomposition of beam intensity profiles into LP modes of multimode optical fibers Journal of the Optical Society of America A, 21, (7), pp. 1241-1250. (doi:10.1364/JOSAA.21.001241).

Jeong, Yoonchan, Alegria, C., Sahu, J.K., Fu, L., Ibsen, M., Codemard, C., Mokhtar, M.R. and Nilsson, J. (2004) A 43W C-band tunable narrow-linewidth erbium-ytterbium co-doped large-core fiber laser IEEE Photonics Technology Letters, 16, (3), pp. 756-758. (doi:10.1109/LPT.2004.823710).

Baek, S., Soh, D.B.S., Jeong, Y., Sahu, J.K., Nilsson, J. and Lee, B. (2004) A cladding-pumped fiber laser with pump-reflecting inner-cladding Bragg grating IEEE Photonics Technology Letters, 16, (2), pp. 407-409. (doi:10.1109/LPT.2003.823135).

Jeong, Y., Sahu, J.K., Payne, D.N. and Nilsson, J. (2004) Ytterbium-doped large-core fibre laser with 610 W of near diffraction-limited output power Electronics Letters, 40, (24), pp. 1527-1528.

Hayward, R.A., Clarkson, W.A., Turner, P.W., Nilsson, J., Grudinin, A.B. and Hanna, D.C. (2000) High-power and tunable operation of a diode-bar-pumped double-clad Tm-doped silica fibre laser at 2µm At CLEO/Europe 2000. 10 - 15 Sep 2000.

Hayward, R.A., Clarkson, W.A., Turner, P.W., Nilsson, Johan, Grudinin, A.B. and Hanna, David (2000) High power double-clad Tm-doped fibre laser with >12W single-mode output at 2µm At CLEO 2000. 07 - 12 May 2000.

Kim, J., Dupriez, P., Soh, D.B.S., Sahu, J.K., Nilsson, J. and Payne, D.N. (2005) Nd:Al-doped depressed clad hollow fiber laser at 930 nm At ASSP 2005. 06 - 09 Feb 2005.

Sahu, J.K., Jeong, Y., Richardson, D.J. and Nilsson, J. (2005) Highly efficient high-power erbium-ytterbium co-doped large core fiber laser At ASSP 2005. 06 - 09 Feb 2005.

Philippov, V., Codemard, C., Alegria, C., Sahu, J.K., Nilsson, J. and Pearson, G.N. (2004) High-energy in-fiber pulse amplification for coherent lidar applications Optics Letters, 29, (22), pp. 2590-2592. (doi:10.1364/OL.29.002590).

Jeong, Y., Sahu, J.K., Payne, D.N. and Nilsson, J. (2004) Ytterbium-doped large-core fiber laser with 1.36 kW continuous-wave output power Optics Express, 12, (25), pp. 6088-6092. (doi:10.1364/OPEX.12.006088).

Fu, L.B., Ibsen, M., Richardson, D.J., Nilsson, J., Payne, D.N. and Grudinin, A.B. (2005) Compact high-power tunable three-level operation of double cladding Nd-doped fiber laser IEEE Photonics Technology Letters, 17, (2), pp. 306-308. (doi:10.1109/LPT.2004.840034).

Jeong, Y., Nilsson, J., Sahu, J.K., Soh, D.B., Alegria, C., Dupriez, P., Codemard, C.A., Payne, D.N., Horley, R., Hickey, L.M.B., Wanzcyk, L., Chryssou, J., Alvarez-Chavez, J.A. and Turner, P.W. (2005) Single-frequency single-mode plane-polarized ytterbium-doped fiber master-oscillator power amplifier source with 264W output power Optics Letters, 30, (5), pp. 459-461. (doi:10.1364/OL.30.000459).

Alam, S.U., Nilsson, J., Turner, P.W., Ibsen, M., Grudinin, A.B. and Chin, A. (2000) Low cost multi-port reconfigurable erbium doped cladding pumped fibre amplifier At ECOC 2000. 04 - 07 Sep 2000.

Renaud, C.C., Offerhaus, H.L., Alvarez-Chavez, J.A., Nilsson, J., Turner, P.W., Clarkson, W.A. and Grudinin, A.B. (2000) Designs for efficient high-energy high brightness Q-switched cladding-pumped ytterbium-doped fibre lasers At CLEO 2000. 07 - 12 May 2000.

Codemard, C., Ylä-Jarkko, K., Singleton, J., Turner, P.W., Godfrey, I., Alam, S.U., Nilsson, J., Sahu, J.K. and Grudinin, A. (2002) Low noise intelligent cladding pumped L-band EDFA At ECOC 2002. 08 - 12 Sep 2002.

Nilsson, J., Sahu, J.K., Jang, J.N., Selvas, R. and Grudinin, A.B. (2002) Cladding-pumped Raman fiber amplifier At Optical Amplifiers and Their Applications (OAA 2002). 14 - 17 Jul 2002.

Price, J.H.V., Furusawa, K., Monro, T.M., Malinowski, Andrew, Sahu, J.K., Nilsson, J. and Richardson, D.J. (2002) Ultrashort pulse laser and amplifier systems based on Yb-doped holey fiber At OSA Annual Meeting & Exhibit 2002, IL XVI. 28 Sep - 03 Oct 2002.

Selvas, R., Li, C., Sahu, J.K., Jang, J.N., Shepherd, D.P. and Nilsson, J. (2002) Efficient Yb doped cladding-pumped fiber laser by a spectral beam-combined stripe-pump diode At OSA Annual Meeting & Exhibit 2002 LS XVI. 28 Sep - 03 Oct 2002.

Fu, L.B., Selvas, R., Ibsen, M., Sahu, J.K., Alam, S.U., Nilsson, J., Richardson, D.J., Payne, D.N., Codemard, C., Goncharov, S., Zalevsky, I. and Grudinin, A.B. (2002) An 8-channel fibre-DFB laser WDM-transmitter pumped with a single 1.2W Yb-fibre laser operated at 977nm At ECOC 2002. 08 - 12 Sep 2002.

Nilsson, J., Selvas, R., Belardi, W., Lee, J.H., Yusoff, Z., Monro, T.M., Richardson, D.J., Park, K.D., Kim, P.H. and Park, N. (2002) Continuous-wave pumped holey fiber Raman laser At OFC 2002. 17 - 22 Mar 2002.

Furusawa, K., Malinowski, A., Price, J.H.V., Monro, T.M., Sahu, J.K., Nilsson, J. and Richardson, D.J. (2002) A highly efficient all-glass double-clad ytterbium doped holey fiber laser At CLEO 2002: Conference on Lasers and Electro-Optics. 19 - 24 May 2002.

Ng, L.N., Sessions, Neil, Nilsson, J., Brocklesby, W.S. and Taylor, E.R. (2001) Tm3+ doped tellurite glass for S band amplifiers At Rank Prize Symposium, United Kingdom. 18 - 21 Jun 2001.

Clarkson, W.A., Matera, V., Kendall, T.M.J., Hanna, David, Nilsson, J. and Turner, P.W. (2001) High-power wavelength-combined cladding-pumped Tm-doped silica fibre lasers At CLEO/QELS 2001. 06 - 11 May 2001.

Richardson, D.J., Nilsson, J., Price, J.H.V., Alvarez-Chavez, J.A. and Renaud, C.C. (2001) Pulsed fibre laser and amplifier systems At CLEO/Europe - EQEC, Germany. 18 - 22 Jun 2001.

O'Connor, M.V., Watson, M.A., Hanna, D.C., Shepherd, D.P., Lefort, L., Price, J.H.V., Malinowski, A., Nilsson, J., Broderick, N.G.R. and Richardson, D.J. (2001) Fibre-laser-pumped femtosecond PPLN optical parametric oscillator At 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (LEOS). 12 - 13 Nov 2001.

Clarkson, W.A., Matera, V., Abdolvand, A., Kendall, T.M.J., Hanna, D.C., Nilsson, J. and Turner, P.W. (2001) Spectral beam combining of cladding-pumped Tm-doped fibre lasers At QEP-15. 03 - 06 Sep 2001.

Alvarez-Chavez, J.A., Nilsson, J., Clarkson, W.A. and Grudinin, A.B. (2001) Broadband Fibre Devices At Rank Prize Symposium, United Kingdom. 18 - 21 Jun 2001.

O'Connor, M.V., Watson, M.A., Hanna, D.C., Shepherd, D.P., Lefort, L., Price, J.H.V., Malinowski, A., Nilsson, J., Broderick, N.G.R. and Richardson, D.J. (2001) Fibre-laser-pumped femtosecond PPLN OPO At QEP-15: 15th Biennial Meeting of the Institute of Physics Quantum Electronics and Photonics Group, United Kingdom. 03 - 06 Sep 2001. 1 pp.

Clarkson, W.A., Matera, V., Abdolvand, A., Kendall, T.M.J., Hanna, D.C., Nilsson, J. and Turner, P.W. (2001) Power scaling of cladding-pumped Tm-doped silica fibre lasers At CLEO/Europe-EQEC 2001: Conference on Lasers and Electro-Optics. European Quantum Electronics Conference. 18 - 22 Jun 2001. 2 pp.

Alam, Shaif-ul, Nilsson, J., Turner, P.W., Clarkson, W.A. and Grudinin, A.B. (2001) Erbium-ytterbium co-doped cladding-pumped fiber laser tunable from 1533 to 1600nm with up to 6.7W of output power At ASSL 2001: Conference on Advanced Solid State Lasers. 28 - 31 Jan 2001. 3 pp.

Barnes, N.P., Clarkson, W.A., Hanna, David, Turner, P.W., Nilsson, J. and Walsh, B.M. (2001) Diode pumped tunable Q-switched Tm:glass fiber laser At ASSL 2001: Advanced Solid-State Lasers 2001. 28 - 31 Jan 2001. 6 pp.

Sahu, J.K., Renaud, C.C., Nilsson, J., Clarkson, W.A., Alam, S.U. and Grudinin, A.B. (2001) Single-polarization laser operation in polarization-maintaining single-polarization pumped erbium-doped fiber At CLEO 2001: Conference on Lasers and Electro-Optics. 06 - 11 May 2001. 2 pp.

Renaud, C.C., Alvarez-Chavez, J.A., Sahu, Jayanta, Nilsson, J., Richardson, David and Clarkson, W.A. (2001) 7.7mJ pulses from a large core Yb-doped cladding pumped Q-switched fibre laser At CLEO 2001: Conference on Lasers and Electro-Optics. 06 - 11 May 2001. 2 pp.

Soh, D.B.S., Yoo, Seongwoo, Nilsson, J., Sahu, J.K., Oh, Kyunghwan, Baek, Seungin, Jeong, Yoonchan, Codemard, C., Dupriez, P., Kim, Jaesun and Philippov, V. (2004) Neodymium-doped cladding pumped aluminosilicate fiber laser tunable in the 0.9 micron wavelength range IEEE Journal of Quantum Electronics, 40, (9), pp. 1275-1282. (doi:10.1109/JQE.2004.833230).

Jeong, Y., Nilsson, J., Sahu, J.K., Soh, D.B., Dupriez, P., Codemard, C.A., Baek, S., Payne, D.N., Horley, R., Alvarez-Chavez, J.A. and Turner, P.W. (2005) Single-mode plane-polarized ytterbium-doped large-core fiber laser with 633 W continuous-wave output power Optics Letters, 30, (9), pp. 955-957. (doi:10.1364/OL.30.000955).

Jeong, Y., Sahu, J.K., Soh, D.B.S., Codemard, C.A. and Nilsson, J. (2005) High-power tunable single-frequency single-mode erbium:ytterbium codoped large-core fiber master-oscillator power amplifier source Optics Letters, 30, (22), pp. 2997-2999. (doi:10.1364/OL.30.002997).

Yoo, Seongwoo, Soh, Daniel B.S., Kim, J., Jung, Y., Nilsson, J., Sahu, J.K., Lee, Jhang W. and Oh, K. (2005) Analysis of W-type waveguide for Nd-doped fiber laser operating near 940nm Optics Communications, 247, (1-3), pp. 153-162. (doi:10.1016/j.optcom.2004.11.037).

Nilsson, J., Clarkson, W.A., Selvas, R., Sahu, J.K., Turner, P.W., Alam, S.-U. and Grudinin, A.B. (2004) High-power wavelength-tunable cladding-pumped rare-earth-doped silica fiber lasers Optical Fiber Technology, 10, (1), pp. 5-30. (doi:10.1016/j.yofte.2003.07.001).

Price, Jonathan H.V., Monro, Tanya M., Ebendorff-Heidepriem, Heike, Poletti, Francesco, Finazzi, Vittoria, Leong, Julie Y.Y., Petropoulos, Periklis, Flanagan, Joanne C., Brambilla, Gilberto, Feng, Xian and Richardson, David J., (2006) Non-silica microstructured optical fibers for mid-IR supercontinuum generation from 2 µm - 5 µm Brown, A.J.W., Nilsson, J., Harter, D.J. and Tunnermann, A. (eds.) At Photonics West 2006 and LASE 2006. 21 - 26 Jan 2006. (doi:10.1117/12.660942).

Jeong, Yoonchan, Nilsson, Johan, Soh, Daniel B.S., Codemard, Christophe A., Dupriez, Pascal, Farrell, Carl, Sahu, Jayanta K., Kim, Jae-Sun, Yoo, Seongwoo, Richardson, David J. and Payne, David N. (2006) High power single-frequency Yb doped fiber amplifiers At OFC/NFOEC 2006: Optical Fiber Communication Conference. 05 - 10 Mar 2006.

Jeong, Y., Dupriez, P., Sahu, J.K., Nilsson, J., Shen, D.Y., Clarkson, W.A. and Jackson, S.D. (2004) Thulium-ytterbium co-doped fiber laser with 32W of output power in the 2 micron wavelength range At EPS-QEOD Europhoton Meetings. 29 Aug - 03 Sep 2004. 1 pp.

Nilsson, J., Jeong, Y., Soh, D.B.S., Codemard, C.A., Dupriez, P., Farrell, C., Sahu, J.K., Kim, J., Yoo, S. and Payne, D.N. (2005) High-power fiber lasers: progress and opportunities At LPHYS'05: 14th International Laser Physics Workshop. 04 - 08 Jul 2005. 1 pp.

Dupriez, P., Nilsson, J., Jeong, Y., Sahu, J.K., Codemard, C., Soh, D.B.S., Farrell, C., Kim, J., Piper, A., Malinowski, A. and Richardson, D.J. (2005) Current progress in high-power fiber lasers and amplifiers At OAA 2005: Optical amplifiers & their applications. 07 - 10 Aug 2005. 3 pp.

Kim, J., Soh, D.B.S., Codemard, C., Yoo, S., Jeong, Y., Nilsson, J. and Sahu, J.K. (2005) Yb:Al-doped depressed clad hollow optical fiber laser operating at 980nm At CLEO/Pacific Rim 2005: Pacific Rim Conference on Lasers and Electro-Optics, 2005. 11 - 15 Jul 2005. , pp. 412-413.

Codemard, Christophe, Farrell, Carl, Dupriez, Pascal, Philippov, Valery, Sahu, Jayanta K. and Nilsson, Johan ONERA Scientific Day (2005) Millijoule high-peak power narrow-linewidth sub-hundred nanosecond pulsed fibre MOPA at 1.55 microns Comptes Rendus Physique, 7, (2), pp. 170-176. (doi:10.1016/j.crhy.2006.01.015).

Dupriez, P., Piper, A., Farrell, C., Malinowski, A., Sahu, J.K., Jeong, Y., Thomsen, B.C., Nilsson, J., Richardson, D.J., Hickey, L.M.B. and Zervas, M.N. (2005) High average power picosecond pulses from a fiber amplified diode laser at 1060nm At 17th International Conference on Photonics in Europe. CLEO Europe EQEC 2005. Conference on Lasers & Electro-Optics European Quantum Electronics Conference. 12 - 17 Jun 2005. , 1pp.

Dupriez, P., Piper, A., Malinowski, A., Sahu, J.K., Ibsen, M., Jeong, Y., Hickey, L.M.B., Zervas, M.N., Nilsson, J. and Richardson, D.J. (2005) 321W average power, 1GHz, 20ps 1060nm pulsed fiber MOPA source At OFC/NOEFC 2005. 06 - 11 Mar 2005. 3 pp.

Jeong, Y., Nilsson, J., Sahu, J.K., Soh, D.B.S., Dupriez, P., Codemard, C.A., Farrell, C., Kim, J., Richardson, D.J. and Payne, D.N. (2005) Beyond 1 kW, the rising power of fibre lasers At OECC 2005: The 10th OptoElectronics and Communications Conference. 04 - 08 Jul 2005. 2 pp.

Jeong, Y., Soh, D.B.S., Codemard, C.A., Dupriez, P., Farrell, C., Philippov, V., Sahu, J.K., Richardson, D.J., Nilsson, J. and Payne, D.N. (2005) State of the art of cw fibre lasers At CLEO/Europe 2005: Conference on Lasers and Electro-Optics Europe, 2005. 12 - 17 Jun 2005. , p.714. (doi:10.1109/CLEOE.2005.1568490).

Sahu, J.K., Dupriez, P., Kim, J., Boyland, A.J., Codemard, C.A., Nilsson, J. and Payne, D.N. (2005) New Yb:Hf-doped silica fiber for high-power fiber lasers At CTuKl Conference on Lasers and Electro-Optics, 2005. (CLEO). 22 - 27 May 2005. , pp. 808-810.

Nilsson, J., Sahu, J.K., Jeong, Y., Philippov, V.N., Soh, D.B.S., Codemard, C., Dupriez, P., Kim, J., Richardson, D.J., Malinowski, A., Piper, A.N., Price, J.H.V., Furusawa, K., Clarkson, W.A. and Payne, D.N. (2005) High power fiber lasers At OFC/NFOEC 2005: Optical Fiber Communication Conference. 06 - 11 Mar 2005. 3 pp.

Gallo, K., Codemard, C., Gawith, C.B.E., Broderick, N.G., Smith, Peter G.R., Nilsson, J. and Richardson, David (2005) Guided-wave second harmonic generation in hexagonally poled RPE:LiNbO3 At CLEO/Europe EQEC 2005. Conference on Lasers and Electro-Optics and European Quantum Electronics Conference. 12 - 17 Jun 2005. 1 pp.

Gallo, Katia, Codemard, Christophe, Gawith, Corin B.E., Nilsson, Johan, Smith, Peter G.R., Broderick, Neil G.R. and Richardson, David J. (2006) Guided-wave second harmonic generation in a LiNbO3 nonlinear photonic crystal Optics Letters, 31, (9), pp. 1232-1234. (doi:10.1364/OL.31.001232).

Kim, J., Dupriez, P., Codemard, Christophe, Nilsson, J. and Sahu, J.K. (2006) Suppression of stimulated Raman scattering in a high power Yb-doped fiber amplifier using a W-type core with fundamental mode cut-off Optics Express, 14, (12), pp. 5103-5113. (doi:10.1364/OE.14.005103).

Kim, J.S., Codemard, C., Nilsson, J. and Sahu, J.K. (2006) Erbium-ytterbium co-doped hollow optical fibre laser Electronics Letters, 42, (9), pp. 515-517. (doi:10.1049/el:20060186).

Dupriez, P., Piper, A., Malinowski, A., Sahu, J.K., Ibsen, M., Thomsen, B.C., Jeong, Y., Hickey, L.M.B., Zervas, M.N., Nilsson, J. and Richardson, D.J. (2006) High average power, high repetition rate, picosecond pulsed fiber master oscillator power amplifier source seeded by a gain-switched laser diode at 1060nm IEEE Photonics Technology Letters, 18, (9), pp. 1013-1015. (doi:10.1109/LPT.2006.873486).

Price, J.H.V., Malinowski, A., Piper, A., He, F., Belardi, W., Monro, T.M., Ibsen, M., Thomsen, B.C., Jeong, Y., Codemard, C., Roelens, M.A.F., Dupriez, P., Sahu, J.K., Nilsson, J. and Richardson, D.J., (2005) Advances in high power short pulse fiber laser systems and technology Durvasula, L.N., Brown, Andrew J.W. and Nilsson, Johan (eds.) At Fiber Lasers II: Technology, Systems and Applications. 22 - 27 Jan 2005. , pp. 184-192. (doi:10.1117/12.602600).

Jeong, Y., Baek, S., Nilsson, J. and Lee, B. (2006) Simple and compact all-fibre retro-reflector for cladding-pumped fibre lasers Electronics Letters, 42, (1), pp. 15-16. (doi:10.1049/el:20063545).

Soh, D.B.S., Nilsson, J. and Grudinin, A.B. (2006) Efficient femtosecond pulse generation using a parabolic amplifier combined with a pulse compressor. II. Finite gain bandwidth effect Journal of the Optical Society of America B, 23, (1), pp. 10-19.

Malinowski, Andrew, Piper, A., Price, J.H.V., He, F., Ibsen, M., Nilsson, J. and Richardson, D.J. (2005) Short pulse high power fiber laser systems At CLEO/QELS 2005. 23 - 26 May 2005. 3 pp.

Ylä-Jarkko, K.H., Alam, S.-U., Turner, P.W., Moore, J., Nilsson, J., Selvas, R., Soh, D.B.S., Codemard, C. and Sahu, J.K. (2003) Cladding pumping technology for next generation of fiber amplifiers and lasers At OAA 2003: Optical Amplifiers and Their Applications. 06 - 09 Jul 2003.

Philippov, V., Nilsson, J., Jeong, Y., Alegria, C., Soh, D.B.S., Codemard, C., Baek, S., Sahu, J.K., Clarkson, W.A. and Payne, D.N. (2003) Versatile and functional high power fiber sources At 2nd International Symposium on High-Power Fiber Lasers and Their Applications. 01 - 03 Jul 2003.

Payne, David, Nilsson, Johan, Jeong, Y., Alegria, Carlos, Philippov, V., Soh, D.B.S., Codemard, Christophe, Baek, S., Sahu, Jayanta, Richardson, David and Clarkson, W.A. (2003) The revolution in high-power fiber lasers At 2nd International Symposium on High-Power Fiber Lasers and Their Applications. 01 - 03 Jul 2003.

Ibsen, M., Nilsson, J., Fu, L.B., Jeong, Y., Sahu, J.K., Mokhtar, M.R., Alegria, C. and Payne, D.N. (2003) All-fibre Bragg grating filters and lasers for future optical networks At Fourth International Conference on Information, Communications & Signal Processing, Fourth IEEE Pacific-Rim Conference On Multimedia (ICICS-PCM 2003). 15 - 18 Dec 2003. 2 pp.

Jeong, Y., Sahu, J.K., Baek, S., Alegria, C., Codemard, C.A., Soh, D.B.S., Philippov, V., Williams, R.B., Furusawa, K., Richardson, D.J., Payne, D.N. and Nilsson, J. (2003) The rising power of fibre lasers At LEOS 2003: The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society. 26 - 30 Oct 2003. 2 pp.

Sahu, J.K., Codemard, C.A., Selvas, R., Nilsson, J., Laroche, M. and Clarkson, W.A. (2003) Tunable Tm-doped silica fibre laser At Conference on Lasers and Electro-Optics/Europe (CLEO/Europe-EQEC 2003). 22 - 27 Jun 2003.

Philippov, V., Nilsson, J., Clarkson, W.A., Abdolvand, A., Kisel, V.E., Shcherbitsky, V.G., Kuleshov, N.V., Konstantinov, V.I. and Levchenko, V.I. (2003) Passively Q-switched Er-Yb double clad fiber laser with Cr(2)+:ZnSe and Co(2)+:MgAl(2)O(4) as a saturable absorber At International Conference on Laser Optics for Young Scientists - LOYS 2003 also organised with XI conference LO'2003. 30 Jun - 04 Jul 2003.

Nilsson, J., Jeong, Y., Alegria, C., Philippov, V., Soh, D.B.S., Codemard, C., Baek, S., Sahu, Jayanta, Richardson, David, Clarkson, W.A. and Payne, D.N. (2003) Fiber lasers: flexible and functional solutions for today and the future At 3rd International Symposium on Laser and Nonlinear Optical Materials (ISLNOM). 20 - 24 Jul 2003.

Fu, L.B., Ibsen, M., Nilsson, J., Richardson, D.J. and Payne, D.N. (2003) Erbium-ytterbium L-band fibre-DFB laser pumped at 1534nm At ECOC-IOOC 2003 (29th European Conference on Optical Communication - 14th International Conference on Integrated Optics and Optical Fibre Communication). 21 - 25 Sep 2003. 2 pp.

Fu, L.B., Ibsen, M., Nilsson, J., Richardson, D.J. and Payne, D.N. (2003) L-band all-fibre DFB-lasers pumped at 980nm and 1534nm At Bragg Gratings, Photosensitivity and Poling in Glass Waveguides (BGPP 2003). 01 - 03 Sep 2003.

Codemard, C., Soh, D.B.S., Ylä-Jarkko, K., Sahu, J.K., Laroche, M. and Nilsson, J. (2003) Cladding-pumped L-band phosphosilicate erbium-ytterbium co-doped fiber amplifier At OAA 2003: Optical Amplifiers and Their Applications. 06 - 09 Jul 2003. 3 pp.

Ylä-Jarkko, K., Selvas, R., Soh, D.B.S., Sahu, J.K., Codemard, C.A., Nilsson, J., Alam, S.-U. and Grudinin, A.B. (2003) A 3.5W 977nm cladding-pumped jacketed-air clad ytterbium-doped fiber laser At ASSP 2003. 02 - 05 Feb 2003. 5 pp.

Selvas, R., Ylä-Jarkko, K., Alam, S.-U., Nilsson, J., Turner, P.W., Moore, J., Sahu, J.K. and Grudinin, A.B. (2003) High power 977nm fibre sources based on jacketed air-clad fibres At OFC 2003. 23 - 28 Mar 2003. 1 pp.

Jang, J.N., Jeong, Y., Sahu, J.K., Ibsen, M., Codemard, C., Selvas, R., Hanna, D.C. and Nilsson, J. (2003) Cladding-pumped continuous-wave Raman fiber laser At CLEO/QELS 2003 Conference on Lasers and Electro-Optics / Quantum Electronics and Laser Science Conference. 03 - 05 Jun 2003. 2 pp.

Laroche, M., Clarkson, W.A., Sahu, Jayanta, Nilsson, Johan and Jeong, Y. (2003) High power cladding-pumped tunable Er-Yb fiber laser At CLEO/QELS 2003 Conference on Lasers and Electro-Optics / Quantum Electronics and Laser Science Conference. 03 - 05 Jun 2003. 2 pp.

Nilsson, J., Jeong, Y., Alegria, C., Selvas, R., Sahu, J.K., Williams, R.B., Furusawa, K., Clarkson, W.A., Hanna, D.C., Richardson, D.J., Monro, T.M., Payne, D.N., Ylä-Jarkko, K., Alam, S.-U. and Grudinin, A.B. (2003) Beyond 1kW with fiber lasers and amplifiers At OFC 2003. 23 - 28 Mar 2003. 1 pp.

Jeong, Yoonchan, Sahu, J.K., Laroche, M., Clarkson, W.A., Furusawa, K., Richardson, David and Nilsson, J. (2003) 120-W Q-switched cladding-pumped Yb-doped fibre laser At Conference on Lasers and Electro-Optics/Europe (CLEO/Europe-EQEC 2003). 23 - 27 Jun 2003. 1 pp.

Laroche, M., Chardon, A.M., Nilsson, J., Shepherd, David, Sahu, J.K., Clarkson, W.A., Girard, S. and Moncorge, R. (2003) Diode-pumped passively Q-switched tunable Er-Yb double-clad fibre laser At Conference on Lasers and Electro-Optics/Europe (CLEO/Europe-EQEC 2003). 23 - 27 Jun 2003. 1 pp. (doi:10.1109/CLEOE.2003.1313689).

Philippov, V.N., Sahu, J.K., Codemard, C.A., Nilsson, J. and Pearson, G.N. (2004) All-fibre 0.4 mJ high-coherence eye-safe optical source At SPIE European Symposium on Optics/Photonics in Security & Defence. 25 - 28 Oct 2004. (doi:10.1117/12.580077).

Jeong, Y., Dupriez, P., Sahu, Jayanta, Nilsson, J., Shen, D.Y., Clarkson, W.A. and Jackson, S.D. (2004) Thulium-ytterbium co-doped fiber laser with 75W of output power at 2 microns At SPIE European Symposium on Optics and Photonics for Defence & Security. 25 - 28 Oct 2004. 1 pp. (doi:10.1117/12.578727).

Jeong, Y., Nilsson, J., Sahu, J.K., Soh, D.B.S., Alegria, C., Dupriez, P., Codemard, C.A., Payne, D.N., Horley, R., Hickey, L.M.B., Wanzcyk, L., Chryssou, C.E., Alvarez-Chavez, J.A. and Turner, P.W. (2004) Single-frequency polarized ytterbium-doped fiber MOPA source with 264W output power At CLEO/IQEC 2004: Conference on Lasers and Electro-Optics, Quantum Electronics and Laser Science. 16 - 21 May 2004.

Richardson, David, Jeong, Y., Alegria, C., Sahu, Jayanta, Williams, R.B., Malinowski, Andrew, Piper, A.N., Price, Jonathan, Furusawa, K., Nilsson, Johan and Payne, David (2004) The rising power of fibre laser technology At EPS-QEOD Europhoton 2004. 29 Aug - 03 Sep 2004.

Alegria, Carlos, Jeong, Yoonchan, Codemard, Christophe, Sahu, Jayanta K., Fu, Libin, Mokhtar, Mohd Ridzuan, Ibsen, Morten, Baek, Seungin, Soh, Daniel B.S., Philippov, Valery and Nilsson, Johan, (2004) Wideband tunable high power narrow linewidth erbium-ytterbium doped fiber laser using compression-tunable fiber Bragg grating Durvasula, L.N. (ed.) At Photonics West 2003: Rare-Earth-Doped Materials and Devices VII. 25 - 31 Jan 2004. , pp. 285-290. (doi:10.1117/12.528190).

Jeong, Y., Sahu, J.K., Payne, D.N. and Nilsson, J. (2004) Ytterbium-doped large-core fiber laser with 1 kW continuous-wave output power At Advanced Solid-State Photonics (ASSP 2004). 01 - 04 Feb 2004. 3 pp.

Richardson, D.J., Jeong, Y., Alegria, C., Sahu, J.K., Williams, R.B., Malinowski, Andrew, Piper, A.N., Price, Jonathan, Nilsson, J. and Payne, D.N. (2004) Recent developments in high power fibre laser technology At IMAPS MicroTech 2004. 03 - 04 Mar 2004. 3 pp.

Codemard, Christophe A., Hickey, Louise M.B., Yelen, Kuthan, Soh, Daniel B.S., Wixey, Rachel, Coker, Mark, Zervas, Mikhail N. and Nilsson, Johan (2004) 400mW 1060nm ytterbium doped fiber DFB laser At SPIE 5335 : Photonics West 2004: Lasers and Applications in Science and Engineering. 25 - 31 Jan 2004. 9 pp. (doi:10.1117/12.527972).

Sahu, J.K., Jeong, Y., Alegria, C., Codemard, C., Soh, D.B.S., Baek, S., Philippov, V., Cooper, L.J., Nilsson, J., Williams, R.B., Ibsen, M., Clarkson, W.A., Richardson, D.J. and Payne, D.N. (2004) Recent advances in high power fiber lasers At Advanced Solid-State Photonics (ASSP 2004). 01 - 04 Feb 2004.

Jeong, Yoonchan, Sahu, Jayanta K., Baek, Seungin, Alegria, Carlos, Soh, Daniel B.S., Codemard, Christophe, Philippov, Valery, Richardson, David J., Payne, David N. and Nilsson, Johan (2004) Ytterbium-doped double-clad large-core fiber lasers with kW-level continuous-wave output power At CLEO/IQEC 2004: Conference on Lasers and Electro-Optics, Quantum Electronics and Laser Science, San Francisco, USA, 16-21 May 2004. 16 - 21 May 2004. 2 pp.

Philippov, V., Nilsson, J., Clarkson, W.A., Abdolvand, A., Kisel, V.E., Shcherbitsky, V.G., Kuleshov, N.V., Konstantinov, V.I. and Levchenko, V.I. (2004) Passively q-switched Er-Yb double clad fiber laser with Cr At SPIE 5335 : Photonics West 2004: Fiber Lasers: Technology, Systems, and Applications. 25 - 31 Jan 2004. , pp. 8-15. (doi:10.1117/12.524767).

Philippov, V., Sahu, Jayanta, Codemard, C., Clarkson, W.A., Jang, J.N., Nilsson, J. and Pearson, G.N. (2004) All-fiber 1.15 mJ pulsed eye-safe optical source At SPIE 5620 : Photonics West 2004: Solid State Laser Technologies and Femtosecond Phenomena. 25 - 31 Jan 2004. , pp. 284-288. (doi:10.1117/12.527451).

Sahu, J.K., Jeong, Y., Codemard, C., Nilsson, J., Mokhtar, M.R., Ibsen, M., Richardson, D.J. and Payne, D.N. (2004) Tunable narrow linewidth high power erbium:ytterbium co-doped fiber laser At CLEO/IQEC 2004: Conference on Lasers and Electro-Optics, Quantum Electronics and Laser Science. 16 - 21 May 2004. 2 pp.

Sahu, J.K., Philippov, V., Kim, J., Codemard, C., Dupriez, P., Nilsson, J., Abdolvand, A. and Kuleshov, N.V. (2004) Passively Q-switched thulium-doped silica fiber laser At CLEO/IQEC 2004: Conference on Lasers and Electro-Optics, Quantum Electronics and Laser Science. 16 - 21 May 2004. 2 pp. (doi:10.1109/CLEO.2004.1360880).

Soh, D.B.S., Yoo, S.W., Nilsson, J., Sahu, J.K., Baek, S., Jeong, Y., Cooper, L.J., Codemard, C., Dupriez, P., Alegria, C., Philippov, V. and Oh, K. (2004) Cladding pumped Nd-doped fiber laser tunable from 908 to 938 nm At Conference on Lasers and Electro-Optics, Quantum Electronics and Laser Science. 16 - 21 May 2004. 3 pp.

Malinowski, Andrew, Piper, A., Price, J.H.V., Furusawa, K., Jeong, Y., Nilsson, J. and Richardson, D.J. (2004) Ultra-short pulse Yb3+ fiber based laser and amplifier system producing >25W average power At CLEO/IQEC 2004: Conference on Lasers and Electro-Optics, Quantum Electronics and Laser Science. 16 - 21 May 2004. 2 pp.

Thomsen, B.C., Jeong, Y., Codemard, C., Roelens, M.A.F., Dupriez, P., Sahu, J.K., Nilsson, J. and Richardson, D.J. (2004) 60W 10GHz 4.5ps pulse source at 1.5 microns At CLEO/IQEC 2004: Conference on Lasers and Electro-Optics, Quantum Electronics and Laser Science. 16 - 21 May 2004.

Richardson, D.J., Furusawa, K., Ebendorff-Heidepriem, H., Petropoulos, P., Finazzi, V., Baggett, J.C., Belardi, W., Kogure, T., Lee, J.H., Yusoff, Z., Nilsson, J., Jeong, Y., Sahu, J.K. and Monro, T.M. (2004) Practical applications of holey optical fibers At Optical Fiber Communication Conference (OFC 2004). 22 - 27 Feb 2004. 3 pp. (doi:10.1109/OFC.2004.1362051).

Soh, D.B.S., Codemard, C., Sahu, J.K., Nilsson, J., Philippov, V., Alegria, C. and Jeong, Y. (2004) A 4.3W 977nm ytterbium-doped jacketed-air-clad fiber amplifier At Advanced Solid-State Photonics (ASSP 2004). 01 - 04 Feb 2004.

Soh, D.B.S., Codemard, C., Sahu, J.K., Nilsson, J., Baek, S., Wang, S. and Laurell, F., (2004) An 18mW 488.7nm cw frequency doubled fibre MOPA source Durvasula, L.N. (ed.) At Photonics West 2004: Fiber Lasers: Technology, Systems, and Applications. 24 - 29 Jan 2004. , pp. 51-55. (doi:10.1117/12.526919).

Codemard, C.A., Dupriez, P., Jeong, Y., Sahu, J.K., Ibsen, M. and Nilsson, J. (2006) High-power continuous-wave cladding-pumped Raman fiber laser Optics Letters, 31, (15), pp. 2290-2292. (doi:10.1364/OL.31.002290).

Dupriez, Pascal, Finot, Christophe, Malinowski, Andy, Nilsson, Johan, Richardson, David, Wilcox, Keith, Foreman, Hannah and Tropper, Anne (2006) Generation d'impulsions ultrabreves de haute puissance et a haut taux de repetition paramplification fibree en regime auto-similaire ou d'auto-modulation de phase At 25th National Conference on Guided Optics (JNOG). 07 - 09 Nov 2006. 3 pp.

Vienne, Guillaume G., Caplen, Julie E., Dong, Liang, Minelly, John D., Nilsson, Johan and Payne, David N. (1998) Fabrication & characterisation of Yb3+:Er3+ phosphosilicate fibres for lasers Journal of Lightwave Technology, 16, (11), pp. 1990-2001. (doi:10.1109/50.730360).

Laroche, Mathieu, Girard, Sylvain, Sahu, Jayanta K., Clarkson, W.Andrew and Nilsson, Johan (2006) Accurate efficiency evaluation of energy-transfer processes in phosphosilicate Er3+-Yb3+-codoped fibers Journal of the Optical Society of America B, 23, (2), pp. 195-202. (doi:10.1364/JOSAB.23.000195).

Baek, Seungin, Jeong, Yoonchan, Nilsson, Johan, Sahu, Jayanta K. and Lee, Byoungho (2006) Temperature-dependent fluorescence characteristics of an ytterbium-sensitized erbium-doped silica fiber for sensor applications Optical Fiber Technology, 12, (1), pp. 10-19. (doi:10.1016/j.yofte.2005.04.002).

Oh, Kyunghwan, Yoo, Seongwoo, Ryu, Uh-Chan, Kim, Seungtaek, Soh, Daniel B.S., Sahu, Jayanta K. and Nilsson, Johan (2006) Spectral control of optical gain in a rare earth-doped optical fiber using novel triple layered structures Optical Fiber Technology, 12, (4), pp. 297-304. (doi:10.1016/j.yofte.2006.03.005).

Dupriez, P., Poletti, Francesco, Horak, Peter, Petrovich, Marco, Jeong, Y., Nilsson, J., Richardson, David and Payne, D.N. (2007) Efficient white light generation in secondary cores of holey fibers Optics Express, 15, (7), pp. 3729-3736.

Jeong, Y., Dupriez, P., Sahu, J.K., Nilsson, J., Clarkson, W.A. and Jackson, S.D. (2005) Power scaling of 2 µm ytterbium-sensitised thulium-doped silica fibre laser diode-pumped at 975 nm Electronics Letters, 41, (4), pp. 173-174. (doi:10.1049/el:20057534).

Kim, J., Soh, D.B.S., Nilsson, J., Richardson, D.J. and Sahu, J.K. (2007) Fiber design for high-power low-cost Yb:Al-doped fiber laser operating at 980nm IEEE Journal of Selected Topics in Quantum Electronics, 13, (3), pp. 588-597. (doi:10.1109/JSTQE.2007.896628).

Nilsson, J., Jeong, Y., Yoo, S.W., Boyland, Alexander, Maran, J.-N., Codemard, C.A., Payne, D.N., Mitchell, I., Alam, S.-U., Norman, S. and Horley, R. (2007) Progress in high power single emitter fiber sources At 20th Annual Solid State and Diode Laser Technology Review, United States. 25 - 28 Jun 2007.

Jeong, Y., Yoo, S., Codemard, Christophe, Nilsson, J., Sahu, J.K., Payne, D.N., Horley, R., Turner, P.W., Hickey, L.M.B., Harker, A.T., Lovelady, M. and Piper, A. (2007) Erbium:ytterbium co-doped large-core fiber laser with 297W continuous-wave output power IEEE Journal of Selected Topics in Quantum Electronics, 13, (3), pp. 573-579. (doi:10.1109/JSTQE.2007.897178).

Jeong, Y., Nilsson, J., Sahu, Jayanta, Payne, D.N., Horley, R., Hickey, L.M.B. and Turner, P.W. (2007) Power scaling of single-frequency ytterbium-doped fiber master oscillator power amplifier sources up to 500W IEEE Journal of Selected Topics in Quantum Electronics, 13, (3), pp. 546-551. (doi:10.1109/JSTQE.2007.896639).

Sahu, J.K., Yoo, S., Kim, J., Boyland, A.J., Webb, A., Nilsson, J., Jeong, Y., Richardson, D.J. and Payne, D.N. (2007) Progress in active fibers At OFC 2007, United States. 25 - 29 Mar 2007.

Horak, P., Dupriez, P., Poletti, F., Petrovich, M.N., Jeong, Y., Nilsson, J., Richardson, D.J. and Payne, D.N. (2007) RGB generation in secondary cores of microstructured fibres At Conference on Lasers and Electro-Optics (CLEO)-Europe/International Quantum Electronics Conference (IQEC) 2007. 17 - 22 Jun 2007. 1 pp.

Sahu, Jayanta K., Kim, Jaesun, Yoo, Seongwoo, Webb, A.S., Codemard, Christophe, Dupriez, Pascal, Jeong, Yoonchan, Nilsson, Johan, Richardson, David J. and Payne, David N., (2006) Opportunities in high-power fiber lasers Dutta, Achyut K., Ohishi, Yasutake, Dutta, Niloy K. and Moerk, Jesper (eds.) At SPIE Optics East. 01 - 04 Oct 2006. 7 pp, 7pp. (doi:10.1117/12.687497).

Dupriez, P., Wilcox, K.G., Finot, C., Malinowski, Andrew, Sahu, J.K., Richardson, D.J., Tropper, A.C. and Nilsson, J. (2006) Gigahertz parabolic pulse generation in a high-power polarization-maintaining fiber amplifier seeded by a passively mode-locked VECSEL At European Conference on Optical Communication (ECOC) 2006, France. 24 - 28 Sep 2006. 2 pp.

Dupriez, Pascal, Malinowski, Andy, Sahu, Jayanta K., Jeong, Yoonchan, Nilsson, Johan, Richardson, David J., Foreman, Hannah D., Wilcox, Keith G., Tropper, Anne C., Morier-Genoud, Francois, Keller, Ursula and Roberts, John S. (2006) High-power single-mode picosecond fiber laser based on amplification of a passively mode-locked 1055nm VECSEL At Conference on Lasers and Electro-Optics (CLEO)/Quantum Electronics and Laser Science Conference (QELS) 2006. 21 - 26 May 2006.

Kim, J., Codemard, C., Jeong, Y., Nilsson, J. and Sahu, J.K. (2006) High power continuos-wave Yb-doped fiber laser with true single-mode output using W-type structure At Conference on Lasers and Electro-Optics (CLEO)/Quantum Electronics and Laser Science Conference (QELS) 2006. 21 - 26 May 2006.

Dupriez, P., Sahu, J.K., Malinowski, A., Jeong, Y., Richardson, D.J. and Nilsson, J. (2006) 80 W green laser based on a frequency-doubled picosecond single-mode linearly-polarized fiber laser At Conference on Lasers and Electro-Optics (CLEO)/Quantum Electronics and Laser Science Conference (QELS) 2006. 21 - 26 May 2006.

Kim, J., Dupriez, P., Soh, D.B.S., Codemard, Christophe, Yoo, S., Jeong, Y., Nilsson, J. and Sahu, Jayanta, (2006) Depressed clad hollow optical fiber with fundamental LP01 mode cut-off Brown, Andrew J.W., Nilsson, Johan, Harter, Donald J. and Tünnermann, Andreas (eds.) At Photonics West 2006. 21 - 26 Jan 2006. (doi:10.1117/12.653146).

Foreman, H.D., Wilcox, K.G., Tropper, A.C., Dupriez, P., Malinowski, A., Sahu, J.K., Nilsson, J., Richardson, D.J., Morier-Genoud, F., Keller, U. and Roberts, J.S. (2006) High power femtosecond source based on passively mode-locked 1055nm VECSEL and Yb-fibre power amplifier At Advanced Solid-State Photonics (ASSP) 2006. 29 Jan - 01 Feb 2006. 3 pp.

Nilsson, Johan, Sahu, Jayanta K., Jeong, Yoonchan, Clarkson, W.A., Selvas, R., Grudinin, Anatoly B. and Alam, Shaif-ul, (2003) High power fiber lasers: new developments Durvasula, L.N. (ed.) At Photonics West, United States. 27 - 28 Jan 2003. , pp. 50-59. (doi:10.1117/12.478310).

Horak, P., Dupriez, P., Poletti, F., Petrovich, M.N., Jeong, Y., Nilsson, J., Richardson, D.J. and Payne, D.N. (2007) RGB generation by four-wave mixing in small-core holey fibers At SPIE Optics + Photonics 2007. 26 - 30 Aug 2007. 8 pp. (doi:10.1117/12.738483).

Shirakawa, A., Codemard, C., Ji, J., Chen, K.K., Malinowski, A., Richardson, D.J., Sahu, J.K. and Nilsson, J. (2008) High-brightness 210 micro Joule pulsed Raman fiber source At CLEO/QELS 2008. 04 - 09 May 2008.

Dupriez, Pascal, Finot, Christophe, Malinowski, Andy, Sahu, Jayanta K., Nilsson, Johan, Richardson, David J., Wilcox, Keith G., Foreman, Hannah D. and Tropper, Anne C. (2006) High-power, high repetition rate picosecond and femtosecond sources based on Yb-doped fiber amplification of VECSELs Optics Express, 14, (21), pp. 9611-9616. (doi:10.1364/OE.14.009611).

Selvas-Aguilar, Romeo J., Martinez-Gamez, M.A., Martinez-Rios, A., Sanchez-Lozano, X., Basurto-Pensado, Miguel A. and Nilsson, Johan (2004) Superfluorescence three-level neodymium-doped fiber source At 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics Lasers and Their Applications. 4 pp. (doi:10.1117/12.589256).

Sahu, J.K., Yoo, S., Boyland, A.J., Webb, A., Kalita, M.P., Maran, J.-N., Jeong, Y., Nilsson, J., Clarkson, W.A. and Payne, D.N. (2009) Fiber design for high power fiber lasers At Photonics West, United States. 24 - 29 Jan 2009.

Codemard, C.A., Shirakawa, A., Maran, J.-N., Sahu, J.K. and Nilsson, J., (2008) Power and energy-scaling of cladding-pumped Raman fibre laser sources Vallée, Réal, Piché, Michel, Mascher, Peter, Cheben, Pavel, Côté, Daniel, LaRochelle, Sophie, Schriemer, Henry P., Albert, Jacques and Ozaki, Tsuneyuki (eds.) At SPIE 7099 : Photonics North 2008. 02 Jun 2008. , 70990V-[12pp]. (doi:10.1117/12.806987).

Gallo, K., Codemard, C., Gawith, C.B.E., Broderick, N.G., Smith, P.G.R., Nilsson, J. and Richardson, D.J. (2005) Buried slab waveguides in LiNbO3 nonlinear photonic crystals At IEEE/LEOS Workshop on Fibres and Optical Passive Components, 2005. 22 - 24 Jun 2005. 5 pp. (doi:10.1109/WFOPC.2005.1462097).

Jeong, Y., Baek, S., Dupriez, P., Maran, J.-N., Sahu, J.K., Nilsson, J. and Lee, B. (2008) Thermal characteristics of an end-pumped high-power ytterbium-sensitized erbium-doped fiber laser under natural convection Optics Express, 16, (24), pp. 19865-19871. (doi:10.1364/OE.16.019865).

Richardson, David, Malinowski, Andrew, Alam, Shaif-ul, Price, Jonathan, Chen, Kang Kang, Jeong, Yoonchan, Nilsson, Johan, Sahu, Jayanta and Payne, David (2008) Harnessing the power of light - the fibre laser revolution At JNOG 2008. 13 - 20 Oct 2008.

Shirakawa, A., Codemard, C.A., Ji, J., Chen, K.K., Malinowski, A., Richardson, D.J., Sahu, J.K. and Nilsson, J. (2008) Brightness enhancement of pulsed fiber source by double-clad Raman fiber At The 69th Autumn Meeting of the Japan Society of Applied Physics. 02 - 05 Sep 2008.

Malinowski, A., Price, J.H.V., He, F., Dupriez, P., Foreman, H.D., Tropper, A.C., Nilsson, J. and Richardson, D.J. (2006) Pulsed high power fiber laser systems At IEEE/LEOS Summer Topical Meeting 2006. 17 - 19 Jul 2006. , pp. 11-12. (doi:10.1109/LEOSST.2006.1694013).

Baek, S., Jeong, Y., Nilsson, J., Sahu, J.K. and Lee, B. (2005) Fluorescence characteristics of an ytterbium-sensitized erbium-doped silica fiber for temperature sensor applications At OptoElectronics and Communications Conference (OECC) 2005, Korea, Republic of. 04 - 08 Jul 2005.

Payne, D.N., Jeong, Y., Nilsson, J., Sahu, J.K., Soh, D.B.S., Alegria, C., Codemard, C.A., Philippov, V.N., Hernandez, V., Horley, R., Hickey, L.M.B., Wanzcyk, C.E., Chryssou, C.E., Alvarez-Chavez, J.A. and Turner, P.W. (2005) Kilowatt-class single-frequency fiber sources At Conference on Fiber Lasers II. 24 - 27 Jan 2005. (doi:10.1117/12.601145).

Alvarez-Chavez, J.A., Nilsson, J., Turner, P.W. and Grudinin, A.B. (1999) New generation of cladding-pumped fibre lasers and amplifiers At Science & Technology of Optical Fibers 1999, United States. 13 - 15 Dec 1999.

Grudinin, A.B., Nilsson, J., Turner, P.W., Renaud, C.C., Clarkson, W.A. and Payne, D.N. (1999) Single clad coiled optical fibre for high power lasers and amplifiers In Summaries of Papers Presented at the Conference on Lasers and Electro-Optics (CLEO '99). Institute of Electrical and Electronics Engineers., CPD26/1-CPD26/2. (doi:10.1109/CLEO.1999.834627).

Alvarez-Chavez, J.A., Grudinin, A.B., Nilsson, Johan, Turner, P.W. and Clarkson, W.A. (1999) Mode selection in high power cladding pumped fibre lasers with tapered section In Proceedings of CLEO/QELS '99. Institute of Electrical and Electronics Engineers., pp. 247-248.

Alvarez-Chavez, J.A., Nilsson, J., Turner, P.W., Clarkson, W.A., Renaud, C.C., Selvas-Aguilar, R., Hanna, D.C. and Grudinin, A.B. (1999) Single-polarization narrow-linewidth wavelength-tunable high-power diode-pumped double-clad ytterbium-doped fiber laser At Novel Lasers and Devices Topical Meeting CLEO/Europe, Germany. 13 - 17 Jun 1999.

Nilsson, Johan, Alvarez-Chavez, J.A., Turner, P.W., Clarkson, W.A., Renaud, C.C. and Grudinin, A.B. (1999) Widely tunable high-power diode-pumped double-clad Yb3+-doped fiber laser In Proceedings of Advanced Solid State Lasers (ASSL). Optical Society of America..

Nilsson, J., Yun, S.Y., Hwang, S.T., Kim, J.M. and Kim, S.J. (1998) Long-wavelength erbium-doped fiber amplifier gain enhanced by ASE end-reflectors IEEE Photonics Technology Letters, 10, (11), pp. 1551-1553. (doi:10.1109/68.726746).

Ji, Junhua, Codemard, Christophe A., Ibsen, Morten, Sahu, Jayanta K. and Nilsson, Johan (2009) Analysis of the conversion to the first Stokes in cladding-pumped fiber Raman amplifiers IEEE Journal of Quantum Electronics, 15, (1), pp. 129-139. (doi:10.1109/JSTQE.2008.2010229).

Malinowski, Andrew, Vu, Khu Tri, Chen, Kang Kang, Nilsson, Johan, Jeong, Yoonchan, Alam, Shaif-ul, Lin, Dejiao and Richardson, David J. (2009) High power pulsed fiber MOPA system incorporating electro-optic modulator based adaptive pulse shaping Optics Express, 17, (23), pp. 20927-20937. (doi:10.1364/OE.17.020927).

Jeong, Y., Jáuregui, C., Richardson, D.J. and Nilsson, J. (2009) In-situ spatially-resolved thermal and Brillouin diagnosis of a high-power ytterbium-doped fibre laser by Brillouin optical time domain analysis Electronics Letters, 45, (3), pp. 153-154. (doi:10.1049/el:20093465).

Elsmere, S.P., Mihoubi, Z., Quarterman, A.H., Dupriez, P., Nilsson, J., Roberts, J.S. and Tropper, A.C. (2008) High-repetition-rate subpicosecond source of fiber-amplified vertical-external-cavity surface-emitting semiconductor laser pulses IEEE Photonics Technology Letters, 20, (8), pp. 623-625. (doi:10.1109/LPT.2008.919461).

Jeong, Yoonchan, Boyland, Alexander J., Sahu, Jayanta K., Chung, Seung-Hwan, Nilsson, Johan and Payne, David N. (2009) Multi-kilowatt single-mode ytterbium-doped large-core fiber laser Journal of the Optical Society of Korea, 13, (4), pp. 416-422. (doi:10.3807/JOSK.2009.13.4.416).

Nilsson, J., Ramachandran, S., Shay, T.M. and Shirakawa, A.(eds.) (2009) Introduction to the issue on high-power fiber lasers IEEE Journal of Selected Topics in Quantum Electronics, 15, (1), pp. 1-2. (doi:10.1109/JSTQE.2009.2014406).

Farrell, Carl, Codemard, Christophe and Nilsson, J. (2010) Spectral gain control using shaped pump pulses in a counter-pumped cascaded fiber Raman amplifier Optics Express, 18, (23), pp. 24126-24139. (doi:10.1364/OE.18.024126).

Ji, Junhua, Codemard, C.A. and Nilsson, J. (2010) Analysis of spectral bendloss filtering in a cladding-pumped W-type fiber Raman amplifier Journal of Lightwave Technology, 28, (15), pp. 2179-2186. (doi:10.1109/JLT.2010.2052786).

Yoo, Seongwoo, Codemard, Christophe A., Jeong, Yoonchan, Sahu, Jayanta K. and Nilsson, Johan (2010) Analysis and optimization of acoustic speed profiles with large transverse variations for mitigation of stimulated Brillouin scattering in optical fibers Applied Optics, 49, (8), pp. 1388-1399. (doi:10.1364/AO.49.001388).

Richardson, D.J., Nilsson, J. and Clarkson, W.A. (2010) High power fiber lasers: current status and future perspectives Journal of the Optical Society of America B, 27, (11), pp. 63-92. (doi:10.1364/JOSAB.27.000B63).

Nilsson, Johan and Payne, David N. (2011) High-power fiber lasers Science, 332, (6032), pp. 921-922. (doi:10.1126/science.1194863).

Codemard, Christophe A., Sahu, Jayanta K. and Nilsson, Johan (2010) Tandem cladding-pumping for control of excess gain in ytterbium-doped fiber amplifiers IEEE Journal of Quantum Electronics, 46, (12), pp. 1860-1869. (doi:10.1109/JQE.2010.2076408).

Ji, Junhua, Codemard, Christophe A., Sahu, Jayanta K. and Nilsson, Johan (2010) Design, performance, and limitations of fibers for cladding-pumped Raman lasers [in special issue: Special Fiber Structures and their Applications] Optical Fiber Technology, 16, (6), pp. 428-441. (doi:10.1016/j.yofte.2010.09.011).

Lavery, Domanic, Liu, Sheng, Jeong, Yoonchan, Nilsson, Johan, Petropoulos, Periklis, Bayvel, Polina and Savory, Seb J. (2012) Realising high sensitivity at 40 Gbit/s and 100 Gbit/s At Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), United States. 04 - 08 Mar 2012. 3 pp.

Ji, Junhua, Codemard, Christophe A. and Nilsson, Johan (2010) Brightness enhancement limits in pulsed cladding pumped fiber Raman amplifiers At SPIE: Fiber Lasers VII: Technology, Systems, and Applications, United States. 23 - 28 Jan 2010. (doi:10.1117/12.844919).

Codemard, C.A., Ji, J., Sahu, J.K. and Nilsson, J. (2010) 100W CW cladding-pumped Raman fiber last at 1120nm At SPIE 7580: Photonics West 2010, United States. 23 - 28 Jan 2010. (doi:10.1117/12.845606).

Ji, J., Codemard, C.A., Sahu, J.K. and Nilsson, J. (2010) Pulsed cladding-pumped large mode area fiber Raman amplifier at 1660 nm At Photonics West 2010, United States. 23 - 28 Jan 2010.

Jeong, Y., Codemard, C., Ji, J., Vazquez-Zuniga, L.A., van der Westhuizen, G., Yoo, S., Boyland, A.J., Petrovich, M.N., Poletti, F., Sahu, J.K., Nilsson, J., Richardson, D.J. and Payne, D.N. (2010) Recent changes in high power optical fibers At ICOOPMA 2010: International Conference on Optical, Optoelectronic and Photonic Materials and Applications, Hungary. 15 - 21 Aug 2010.

Jeong, Y., Codemard, C.A., Ji, J., Vazquez-Zuniga, L.A., van der Westhuizen, G., Yoo, S., Boyland, A.J., Petrovich, M.N., Poletti, F., Ponzo, G.M., Sahu, J.K., Nilsson, J., Richardson, D.J. and Payne, D.N. (2010) Novel fibre technology for high-power lasers At Communications and Photonics Conference (ACP 2010), China. 08 - 12 Dec 2010. 2 pp. (doi:10.1109/ACP.2010.5682511).

Sahu, J.K., Yoo, S., Boyland, A.J., Webb, A., Codemard, C., Standish, R.J. and Nilsson, J. (2010) Ytterbium-doped low-NA P-Al-silicate large-mode-area fiber for high power applications At Laser Science to Photonic Applications (CLEO/QELS 2010), United States. 16 - 21 May 2010.

Ji, J., Codemard, C.A., Webb, A.S., Sahu, J.K. and Nilsson, J. (2010) Near-diffraction-limited supercontinuum generation in a cladding-pumped nonlinear fiber converter At Laser Science to Photonic Applications (CLEO/QELS 2010), United States. 16 - 21 May 2010. 2 pp.

Nilsson, J., Ji, J., Codemard, C.A. and Sahu, J.K. (2011) Design, performance, and limitations of fibers for cladding-pumped Raman lasers At IEEE Winter Topicals, United States. 10 - 12 Jan 2011.

Steinborn, R., Yao, T.F., Webb, A., Sahu, J.K. and Nilsson, J. (2011) Liquid-nitrogen-cooled high-concentration erbium-doped fibre laser At European Conference on Lasers and Electro-Optics (CLEO-Europe/EQEC 2011), Germany. 22 - 26 May 2011.

Mountfort, Francesca H., Yoo, Seongwoo, Boyland, Alexander J., Webb, Andrew S., Nilsson, Johan and Sahu, Jayanta K. (2011) Temperature effect on the Brillouin gain spectra of highly doped aluminosilicate fibers At European Conference on Lasers and Electro-Optics (CLEO/Europe-EQEC 2011), Germany. 22 - 26 May 2011.

van der Westhuizen, G.J. and Nilsson, J. (2011) All-fiber optical parametric oscillator pumped by an all-fiber Yb-based MOPA At CLEO/QELS 2011, United States. 01 - 06 May 2011. 2 pp.

Lin, D., Alam, S.U., Malinowski, A., Chen, K.K., Hayes, J.R., Flanagan, J.C., Geddes, V., Nilsson, J., Ingram, S., Norman, S. and Richardson, D.J. (2011) Temporally and spatially shaped fully-fiberized ytterbium-doped pulsed MOPA Laser Physics Letters, 8, (10), pp. 747-753. (doi:10.1002/lapl.201110057).

van der Westhuizen, G. and Nilsson, J. (2011) Fiber optical parametric oscillator for large frequency-shift wavelength conversion IEEE Journal of Quantum Electronics, 47, (11), pp. 1396-1403. (doi:10.1109/JQE.2011.2162058).

Nilsson, Johan (2012) High power fiber lasers: fundamentals and frontiers At Advanced Solid-State Photonics, United States. 29 Jan - 01 Feb 2012. (doi:10.1364/ASSP.2012.AT1A.1).

Boyland, A.J., Webb, A.S., Kalita, M.P., Yoo, S., Codemard, C.A., Standish, R.J., Nilsson, J. and Sahu, J.K. (2010) Rare earth doped optical fiber fabrication using novel gas phase deposition technique At Conference on Lasers and Electro-Optics (CLEO/QELS 2010), United States. 16 - 21 May 2010.

Ji, Junhua, Codemard, C.A., Boyland, A.J., Sahu, J.K. and Nilsson, J. (2010) Beam quality and spectral evolution in large-core cladding-pumped cascaded-Raman fiber converter At Advanced Solid State Lasers (ASSL 10), United States. 31 Jan - 03 Feb 2010. (doi:10.1364/ASSP.2010.AMB3).

Lewis, R.J., Lim, E.L., Rowe, D.J., Alam, S.-U., Nilsson, J., Baik, C.-W., Gurel, O., Wilkinson, J.S. and Richardson, D.J. (2013) High-resolution broadly-tunable MOPA-based terahertz spectrometer to non-destructively probe and modulate protein electrodynamics At IRMMW-THz 2013: The Joint 38th International Conference on Infrared & Millimetre Waves and 21st International Conference on Terahertz Electronics, Germany. 01 - 06 Sep 2013. (doi:10.1109/IRMMW-THz.2013.6665817).

Khan, A., Sparkes, M., O'Neill, W., Flanagan, J.C., Malinowski, A., Nilsson, J. and Richardson, D.J. (2010) Enhanced LASOX cutting with a Yb-fibre laser The Laser User, (61), Winter Issue

Yao, T. and Nilsson, J. (2013) Fibre Raman laser directly pumped by multimode laser diode at 975 nm At CLEO/Europe-IQEC 2013, Germany. 12 - 16 May 2013.

Leger, J.R., Nilsson, J. and Ji, J. (2012) Suppression of Q-switching in a Yb-doped fiber laser At CLEO/QELS, United States. 06 - 11 May 2012.

Chiang, Hung-Sheng, Leger, James R., Nilsson, Johan and Sahu, Jayanta (2013) Passive Coherent Beam Combining of Fiber Lasers: Accurate Measurements of Phase Error Tolerance At Conference on Lasers and Electro-Optics (CLEO), United States. 09 - 14 Jun 2013. (doi:10.1364/CLEO_SI.2013.CW3M.6).

Achar, Harish V. and Nilsson, J. (2014) Arbitrary phase modulation for optical spectral control and suppression of stimulated Brillouin scattering At Advanced Solid State Lasers 2014, China. 16 - 21 Nov 2014.

Yao, T. and Nilsson, J. (2012) Short-wavelength fiber Raman laser pulse-pumped by multimode laser diode at 806 nm At Speciality Optical Fibres (SOF) Topical Meeting, United States. 17 - 21 Jun 2012. 1 pp.

Nilsson, J. (2010) Recent progress and limiting factors in high power fiber laser technology At CLEO/QELS 2010 16-21 May 2010, United States. 16 - 20 May 2010. (doi:10.1364/CLEO.2010.CTuC1).

Codemard, C.A., Nilsson, J. and Sahu, J.K. (2010) Tandem pumping of large-core double-clad Ytterbium-doped fiber for control of excess gain At Advanced Solid State Lasers (ASSL 10), United States. 31 Jan - 03 Feb 2010. (doi:10.1364/ASSP.2010.AWA3).

Nilsson, J., Yoo, S., Codemard, C.A., Jeong, Y., Mountfort, F. and Sahu, J.K. (2010) Bend-effects on Brillouin gain in large mode area fiber amplifiers with acoustic antiguide At Advanced Solid State Photonics, United States. 31 Jan - 03 Feb 2010. (doi:10.1364/ASSP.2010.ATuA16).

Yao, T., Ji, J., Sahu, J.K., Webb, A.S. and Nilsson, J. (2012) Tandem-pumped ytterbium-doped aluminosilicate fiber amplifier with low quantum defect At CLEO/QELS 2012, United States. 06 - 11 May 2012.

Yao, Tianfu and Nilsson, Johan (2014) 835 nm fiber Raman laser pulse pumped by a multimode laser diode at 806 nm Journal of the Optical Society of America B, 31, (4), pp. 882-888. (doi:10.1364/JOSAB.31.000882).

Chiang, Hung-Sheng, Leger, James R., Nilsson, Johan and Sahu, Jayanta (2013) Direct observation of Kramers-Kronig self-phasing in coherently combined fiber lasers Optics Letters, 38, (20), pp. 4104-4107. (doi:10.1364/OL.38.004104).

Yao, Tianfu, Ji, Junhua and Nilsson, Johan (2015) Ultra-low quantum-defect heating in ytterbium-doped aluminosilicate fibers Journal of Lightwave Technology, 32, (3), pp. 429-434. (doi:10.1109/JLT.2013.2290284).

Richardson, David J., Offerhaus, Herman, Nilsson, J. and Grudinin, A.B. (1999) New fibers portend a bright future for high-power lasers Laser Focus World, 35, (6), pp. 92-94.

Harish, Achar V. and Nilsson, Johan (2015) Optimization of phase modulation with arbitrary waveform generators for optical spectral control and suppression of stimulated Brillouin scattering Optics Express, 23, (6), p. 6988. (doi:10.1364/OE.23.006988).

Clarkson, W.A., Shen, D., Wang, P., Cooper, L.J., Nilsson, J. and Sahu, J.K. (2005) Power scaling of cladding-pumped Er, Yb-doped fiber lasers at 1.5µm At SPIE Conference on Lasers and Applications, Poland.

Ji, J., Yoo, S., Shum, P.P. and Nilsson, J. (2012) Minimize quantum-defect heating in thulium-doped silica fiber amplifiers by tandem-pumping At Photonics Global Conference, Singapore. 13 - 16 Dec 2012.

Rowe, D.J., Lewis, R.J., Lim, Ee Leong, Alam, S.-U., Nilsson, J., Baik, C.-W., Gurel, O., Wilkinson, J.S. and Richardson, D.J. (2013) Terahertz spectroscopy to non-destructively probe and modulate protein electrodynamics: fundamental basis for THz medicine At Bioelectrics 2013. 16 - 19 Sep 2013.

Zhang, Betty, Zhao, Junqing, Feng, Yutong, Zhu, Sheng, Price, Jonathan H. and Nilsson, Johan (2015) Fiber absorption measurement errors resulting from re-emission of radiation At Advanced Solid State Lasers 2015, Germany. 04 - 09 Oct 2015. (doi:10.1364/ASSL.2015.AM5A.20).

Feng, Yutong, Zhang, Betty Meng, Harish, Achar and Nilsson, Johan (2015) Thermally Induced Distortions of the Temporal Phase Of Optical Pulses In Phosphorous-doped Silica Fibers At Advanced Solid State Lasers 2015, Germany. 04 - 09 Oct 2015. (doi:10.1364/ASSL.2015.AM5A.19).

Feng, Y., Nilsson, J., Jain, S., May-Smith, T.C., Sahu, J.K., Jia, F., Wilson, D., Lengden, M. and Johnstone, W. (2014) LD-seeded thulium-doped fibre amplifier for CO2 measurements at 2 µm At 6th Europhoton Conference (EPS-QEOD). 24 - 29 Aug 2014.

Yao, Tianfu, Achar Vasant, Harish, Sahu, Jayanta and Nilsson, Johan (2015) High-Power Continuous-Wave Directly-Diode-Pumped Fiber Raman Lasers Applied Sciences, 5, (4), pp. 1323-1336. (doi:10.3390/app5041323).

Brocklesby, W.S., Nilsson, J., Schreiber, T., Limpert, J., Brignon, A., Bourderionnet, J., Lombard, L., Michau, V., Hanna, M., Zaouter, Y., Tajima, T. and Mourou, Gérard (2014) ICAN as a new laser paradigm for high energy, high average power femtosecond pulses [in special issue: Review IZEST Technology: High Efficiency Lasers and Applications] European Physical Journal - Special Topics, 223, (6), pp. 1189-1195. (doi:10.1140/epjst/e2014-02172-4).

Sun, Jiang, Kang, Zexin, Ji, Junhua, Yoo, Seongwoo, Nilsson, Johan and Jian, Shuisheng (2015) Multi-trench fiber with four gaps for improved bend performance Applied Optics, 54, (28), pp. 8271-8274. (doi:10.1364/AO.54.008271).

Boyland, A.J., Webb, A.S., Kalita, M.P., Yoo, S., Codemard, C.A., Standish, R.J., Nilsson, J. and Sahu, J.K. (2010) Rare-Earth doped optical fiber fabrication using novel gas phase deposition technique At Conference on Lasers and Electrooptics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), United States. 16 - 21 May 2010.

Chiang, Hung-Sheng, Nilsson, Johan, Sahu, Jayanta and Leger, James R. (2015) Experimental measurements of the origin of self-phasing in passively coupled fiber lasers Optics Letters, 40, (6), pp. 962-965. (doi:10.1364/OL.40.000962).

Feng, Yutong, Achar Vasant, Harish, Feng, Yujun, Zhao, Nan and Nilsson, Johan (2016) Simulation on thermal load gradient mitigation with auxiliary multi-seeds amplification in fiber amplifier At 7th EPS-QEOD Europhoton Conference: Solid State, Fibre, and Waveguide Coherent Light Sources, Austria. 21 - 26 Aug 2016. 1 pp.

Feng, Yutong, Achar Vasant, Harish, Feng, Yujun, Zhao, Nan and Nilsson, Lars (2016) Data for EuroPhoton 2016 conference paper "Simulation on thermal load gradient mitigation with auxiliary multi-seeds amplification in fiber amplifier" University of Southampton doi:10.5258/SOTON/396817 [Dataset]

Zhang, Meng, Feng, Yutong, Price, Jonathan, Paschotta, Rüdiger and Nilsson, Johan (2016) Absorption measurement effects in fibres with multimode cores At 7th EPS-QEOD Europhoton Conference: Solid State, Fibre, and Waveguide Coherent Light Sources, Austria. 21 - 26 Aug 2016.

Zhang, Meng, Feng, Yujun, Lin, Di, Price, Jonathan, Alam, Shaif-ul, Nilsson, Johan, Shum, Perry, Payne, David and Richardson, David (2016) Radially polarized Yb-fiber MOPA producing 10 W output using SLM based pulse shaping for efficient generation of arbitrary shaped picosecond pulses At Advanced Solid State Lasers, United States. 30 Oct - 03 Nov 2016.

Feng, Yutong, Zhang, Betty Meng, Zhao, Junqing, Zhu, Sheng, Price, Jonathan and Nilsson, Lars (2016) Absorption measurement errors in single-mode fibers resulting from re-emission of radiation University of Southampton doi:10.5258/SOTON/402866 [Dataset]

Feng, Yutong, Zhao, Junqing, Jia, Fuqiang and Nilsson, Lars (2017) Dataset for Continuous-Wave 3.1 – 3.6 μm Difference-Frequency Generation of Dual Wavelength-Tunable Fiber Sources in PPMgLN-Based Rapid-Tuning Design University of Southampton [Dataset]

Zhang, Betty Meng, Feng, Yujun, Lin, Di, Price, Jonathan H.V., Nilsson, Johan, Alam, Shaiful, Shum, Perry Ping, Payne, David Neil and Richardson, David J. (2017) Demonstration of arbitrary temporal shaping of picosecond pulses in a radially polarized Yb-fiber MOPA with > 10 W average power Optics Express, 25, (13), pp. 15402-15413. (doi:10.1364/OE.25.015402).

Feng, Yutong, Zhang, Betty Meng, Zhao, Junqing, Zhu, Sheng, Price, Jonathan and Nilsson, Lars (2017) Absorption measurement errors in single-mode fibers resulting from re-emission of radiation IEEE Journal of Quantum Electronics, 53, (4) (doi:10.1109/JQE.2017.2708610).

Soh, Daniel B.S., Nilsson, Johan and Grudinin, Anatoly B. (2006) Efficient femtosecond pulse generation using a parabolic amplifier combined with a pulse compressor. I. Stimulated Raman scattering effects Journal of the Optical Society of America B, 23, (1), pp. 1-9. (doi:10.1364/JOSAB.23.000001).

Zhao, Junqing, Jia, Fuqiang, Feng, Yutong and Nilsson, Johan (2017) Continuous-wave 3.1 – 3.6 μm difference-frequency generation of dual wavelength-tunable fiber sources in PPMgLN-based rapid-tuning design IEEE Journal of Quantum Electronics (doi:10.1109/JSTQE.2017.2725442).

Lin, Huaiqin, Feng, Yujun, Barua, Pranabesh, Sahu, Jayanta and Nilsson, Johan (2017) 405 W Erbium-doped large-core fiber laser At OSA Laser Congress, Nagoya, Japan. 01 - 05 Oct 2017.

Zhu, Sheng, Pidishety, Shankar, Feng, Yutong, Demas, Jeff, Ramachandran, Siddharth, Srinivasan, Balaji and Nilsson, Johan (2017) Multimode Raman pumping for power-scaling of large area higher order modes in fiber amplifiers At OSA Laser Congress, Nagoya, Japan. 01 - 05 Oct 2017.

Achar Vasant, Harish and Nilsson, Johan (2017) Optimization of phase modulation formats for suppression of simulated Brillouin scattering in optical fibers: Optimization of phase modulation IEEE Journal of Quantum Electronics

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