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

Professor Lars Nilsson

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), 37-39.

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), 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), 714-720.

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), 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), 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 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), 1989-1991. (doi:10.1364/OL.27.001989).

Ng, L.N., Taylor, E.R. and Nilsson, J. (2002) 795 nm and 1064 nm dual pump thulium-doped tellurite fibre for S-band amplification. Electronics Letters, 38 (21), 1246-1247. (doi:10.1049/el:20020883).

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), 1980-1982. (doi:10.1364/OL.27.001980).

O'Connor, M.V., Watson, M.A., Shepherd, D.P., Hanna, D.C., Lefort, L., Price, J.H.V., Malinowski, A., Nilsson, J., Broderick, N.G.R. and Richardson, D.J. (2002) Synchronously pumped optical parametric oscillator driven by a femtosecond mode-locked fibre laser. Optics Letters, 27 (12), 1052-1054. (doi:10.1364/OL.27.001052).

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 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), 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), 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), 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) 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), 909-911.

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), 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), 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), 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), 159-163.

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), 655-657.

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), 2073-2075.

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), 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), 1825-1827.

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), 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), 1241-1250.

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), 756-758.

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), 407-409.

Soh, D.B.S., Codemard, C., Wang, S., Nilsson, J., Sahu, J.K., Laurell, F., Philippov, V., Jeong, Y., Alegria, C. and Baek, S. (2004) A 980 nm Yb-doped fiber MOPA source and its frequency doubling. IEEE Photonics Technology Letters, 16 (4), 1032-1034. (doi:10.1109/LPT.2004.824952).

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), 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 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 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 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 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), 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), 6088-6092.

Taylor, E.R.M., Ng, L.N., Nilsson, J., Caponi, R., Pagano, A., Potenza, M. and Sorda, B. (2004) Thulium-doped tellurite fiber amplifier. IEEE Photonics Technology Letters, 16 (3), 777-779. (doi:10.1109/LPT.2004.823733).

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), 306-308.

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), 459-461. (doi:10.1364/OL.30.000459).

Grudinin, A.B., Nilsson, J. and Turner, P.W. (2000) New generation of cladding pumped fibre lasers and amplifiers. At CLEO 2000 (01/09/00) CLEO 2000. 01 Sep 2000.

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 ECOC 2000. 04 - 07 Sep 2000.

Nilsson, J., Grudinin, A.B. and Turner, P.W. (2000) Advanced pulsed and CW high-power fiber lasers. At CLEO 2000 CLEO 2000. 07 - 12 May 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 CLEO 2000. 07 - 12 May 2000.

Grudinin, A.B., Nilsson, J. and Turner, P.W. (2002) Low cost high power fibre lasers and amplifiers. At 11th International Workshop on Laser Physics Workshop 2002 (LPHYS '02) 11th International Workshop on Laser Physics Workshop 2002 (LPHYS '02). 12 - 16 Jul 2002.

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 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) 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 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 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 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 OFC 2002. 17 - 22 Mar 2002.

Selvas, R., Sahu, J.K., Nilsson, J., Alam, S.U. and Grudinin, A.B. (2002) Q-switched 980nm Yb-doped fiber laser. At CLEO 2002: Conference on Lasers and Electro-Optics CLEO 2002: Conference on Lasers and Electro-Optics. 19 - 24 May 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 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 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 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 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) 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 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 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 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 CLEO/Europe-EQEC 2001: Conference on Lasers and Electro-Optics. European Quantum Electronics Conference. 18 - 22 Jun 2001. 2 pp.

Selvas-Aguilar, R. and Nilsson, J. (2001) Tuning characteristics of cladding-pumped neodymium-doped fiber laser. At CLEO 2001: Conference on Lasers and Electro-Optics CLEO 2001: Conference on Lasers and Electro-Optics. 06 - 11 May 2001. 3 pp.

Alam, S.-U., Turner, P.W., Grudinin, A.B., Nilsson, J. and Alvarez-Chavez, J.A. (2001) High-power cladding pumped erbium-ytterbium co-doped fiber laser. At OFC 2001: Optical Fiber Communications Conference OFC 2001: Optical Fiber Communications Conference. 17 - 22 Mar 2001. 3 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 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 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 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 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), 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), 955-957.

Hayward, R.A., Clarkson, W.A., Turner, P.W., Nilsson, J., Grudinin, A.B. and Hanna, D.C. (2000) Efficient cladding-pumped Tm-doped silica fibre laser with high power single-mode output at 2µm. Electronics Letters, 36 (8), 711-712. (doi:10.1049/el:20000577).

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), 2997-2999.

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), 153-162.

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), 5-30. (doi:10.1016/j.yofte.2003.07.001).

Sahu, Jayanta Kumar, Dupriez, Pascal, Kim, Jae-Sun, Codemard, Christophe, Nilsson, Johan and Payne, David N. (2006) Suppression of stimulated Raman scattering in a high-peak-power pulsed 1060 nm fiber MOPA source with purely single-mode output using W-type fiber. At OFC/NFOEC 2006: Optical Fiber Communication Conference OFC/NFOEC 2006: Optical Fiber Communication Conference. 05 - 10 Mar 2006.

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 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 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 LPHYS'05: 14th International Laser Physics Workshop. 04 - 08 Jul 2005. 1 pp.

Nilsson, Johan (2005) High-power fiber sources: fundamental properties. At LPHYS'05: 14th International Laser Physics Workshop LPHYS'05: 14th International Laser Physics Workshop. 04 - 08 Jul 2005.

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 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 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), 170-176. (doi:10.1016/j.crhy.2006.01.015).

Soh, Daniel B.S., Grudinin, A.B., Nilsson, J., Jeong, Y., Yoo, S., Kim, J., Codemard, C. and Dupriez, P. (2005) Stimulated Raman scattering effect on femtosecond pulse generation using a parabolic amplification and a pulse compressor. At ONERA Scientific Day. High Power Fibre Lasers and Amplifiers: Bases and Applications ONERA Scientific Day. High Power Fibre Lasers and Amplifiers: Bases and Applications. 27 - 28 Jun 2005. 2pp.

Jeong, Y., Nilsson, J., Sahu, J.K., Dupriez, P., Codemard, C.A., Soh, D.B.S., Farrell, C., Kim, J., Richardson, D.J. and Payne, D.N. (2005) High power fiber lasers. At IQEC/CLEO-PR 2005. International Quantum Electronics Conference and the Pacific Rim Conference on Lasers and Electro-Optics 2005 (15/07/05) IQEC/CLEO-PR 2005. International Quantum Electronics Conference and the Pacific Rim Conference on Lasers and Electro-Optics 2005. 11 - 15 Jul 2005. 2 pp.

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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) 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.

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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) Conference on Lasers and Electro-Optics/Europe (CLEO/Europe-EQEC 2003). 23 - 27 Jun 2003. 1 pp.

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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 SPIE European Symposium on Optics and Photonics for Defence & Security. 25 - 28 Oct 2004. 1 pp. (doi:10.1117/12.578727).

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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), 153-154. (doi:10.1049/el:20093465).

Ji, J., Codemard, C.A. and Nilsson, J. (2009) Cladding-pumped Raman fiber with a W-type core designed for power scaling. At 8th Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim 2009) 8th Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim 2009). 30 Aug - 03 Sep 2009. 2 pp.

Codemard, C.A., Shirakawa, A., Sahu, J.K., Yoo, S., Jeong, Y. and Nilsson, J. (2009) Thermal resilience of polymer-coated double-clad fiber. At European Conference on Lasers and Electro-Optics (CLEO/Europe-EQEC) European Conference on Lasers and Electro-Optics (CLEO/Europe-EQEC). 14 - 19 Jun 2009.

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), 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), 416-422.

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), 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), 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), 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), 1388-1399.

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), 63-92. (doi:10.1364/JOSAB.27.000B63).

Nilsson, Johan and Payne, David N. (2011) High-power fiber lasers. Science, 332 (6032), 921-922.

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), 1860-1869.

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), 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) 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 SPIE: Fiber Lasers VII: Technology, Systems, and Applications, United States. 23 - 28 Jan 2010.

Codemard, C.A., Ji, J., Sahu, J.K. and Nilsson, J. (2010) 100W CW cladding-pumped Raman fiber last at 1120nm. SPIE Photonics West, 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 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 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) Communications and Photonics Conference (ACP 2010), China. 08 - 12 Dec 2010. 2 pp.

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) 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) 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 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) 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) 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 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), 747-753.

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), 1396-1403.

Nilsson, Johan (2012) High power fiber lasers: fundamentals and frontiers. At Advanced Solid-State Photonics 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 Electrooptics (CLEO) and Quantum Electronics and Laser Science Conference (QELS) (21/05/10) Conference on Lasers and Electrooptics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 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) 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. 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 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 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) 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 (21/11/14) 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 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 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) 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 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 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), 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), 4104-4107.

Yao, Tianfu, Ji, Junhua and Nilsson, Johan (2014) Ultra-low quantum-defect heating in ytterbium-doped aluminosilicate fibers. Journal of Lightwave Technology, 32 (3), 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), 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), 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 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 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 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 (09/10/15) 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. In Advanced Solid State Lasers 2015. Optical Society of America.. (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) 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), 1323-1336. (doi:10.3390/app5041323).

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), 8271-8274. (doi:10.1364/AO.54.008271).

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), 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 (26/08/16) 7th EPS-QEOD Europhoton Conference: Solid State, Fibre, and Waveguide Coherent Light Sources, Vienna, 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 (26/08/16) 7th EPS-QEOD Europhoton Conference: Solid State, Fibre, and Waveguide Coherent Light Sources, Austria. 21 - 26 Aug 2016. (In Press)

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 (03/11/16) Advanced Solid State Lasers, Boston, United States. 30 Oct - 03 Nov 2016. 3 pp. (In Press) (doi:10.1364/ASSL.2016.ATh3A.3).

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 doi:10.5258/SOTON/D0024 [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), 15402-15413. (doi:10.1364/OE.25.015402).

Feng, Yutong, Zhang, Betty Meng, Zhao, Junqing, Zhu, Sheng, Price, Jonathan and Nilsson, Johan (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), 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. OSA Laser Congress: Advanced Solid State Lasers 2017, Nagoya, Japan. 01 - 05 Oct 2017. 0 pp, ATh4A.2. (doi:10.1364/ASSL.2017.ATh4A.2).

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: Advanced Solid State Lasers 2017 (05/10/17) OSA Laser Congress: Advanced Solid State Lasers 2017, Nagoya, Japan. 01 - 05 Oct 2017. (In Press)

Achar Vasant, Harish and Nilsson, Johan (2018) Optimization of phase modulation formats for suppression of stimulated Brillouin scattering in optical fibers. IEEE Journal of Quantum Electronics, 24 (3). (doi:10.1109/JSTQE.2017.2753041).

Achar Vasant, Harish and Nilsson, Lars (2017) Optimization of phase modulation formats for suppression of stimulated Brillouin scattering in optical fibers. University of Southampton [Dataset]

Lin, Huaiqin, Feng, Yujun, Barua, Pranabesh, Sahu, Jayanta and Nilsson, Lars (2017) Dataset for 405 W Erbium-Doped Large-Core Fiber Laser. University of Southampton doi:10.5258/SOTON/D0222 [Dataset]

Zhu, Sheng, Pidishety, Shankar, Feng, Yutong, Demas, Jeff, Ramachandran, Siddharth, Srinivasan, Balaji and Nilsson, Lars (2017) Dataset for Multimode Raman Pumping for Power Scaling of Large Area Higher Order Modes in Fiber Amplifiers. University of Southampton doi:10.5258/SOTON/D0251 [Dataset]

Lin, Huaiqin, Feng, Yujun, Feng, Yutong, Barua, Pranabesh, Sahu, Jayanta and Nilsson, Lars (2018) Dataset for 656 W Er-doped, Yb-free large-core fiber laser. University of Southampton doi:10.5258/SOTON/D0303 [Dataset]

Boulanger, Benoît, Jiang, Shibin, Mirov, Sergey, Nilsson, Johan, Petersen, Alan, Rotermund, Fabian, Taccheo, Stefano and Taira, Takunori (2018) Feature issue introduction: Advanced solid-state lasers 2017. Optics Express, 26 (8), 11018-11024. (doi:10.1364/OE.26.011018).

Boulanger, Benoît, Jiang, Shibin, Mirov, Sergey, Nilsson, Johan, Petersen, Alan, Rotermund, Fabian, Taccheo, Stefano and Taira, Takunori (2018) Feature issue introduction: Advanced Solid-State Lasers 2017. Optical Materials Express, 8 (5), 1246-1252. (doi:10.1364/OME.8.001246).

Lin, Huaiqin, Feng, Yujun, Feng, Yutong, Barua, Pranabesh, Sahu, Jayanta and Nilsson, Johan (2018) 656W Er-doped, Yb-free large-core fiber laser. Optics Letters, 43 (13), 3080-3083. (doi:10.1364/OL.43.003080).

Panbiharwala, Yusuf, Ghosh, Aditi, Nilsson, Johan, Venkitesh, Deepa and Srinivasan, Balaji (2018) Experimental investigation of the onset of modulation instability as a precursor for the stimulated Brillouin scattering in Yb-doped fiber amplifiers. In Fiber Lasers XV. vol. 10512, SPIE. 8 pp. (doi:10.1117/12.2291462).

Hong, Soonki, Feng, Yutong and Nilsson, Johan (2018) Multi-wavelength diode-pumping of fiber Raman laser. In Conference on Lasers and Electro-Optics: Science and Innovations 2018. Optical Society of America. 2 pp. (doi:10.1364/CLEO_SI.2018.SM1K.6).

Hong, Soonki, Feng, Yutong and Nilsson, Lars (2017) Data for: Multi-Wavelength Diode-Pumping of Fiber Raman Laser. University of Southampton doi:10.5258/SOTON/D0348 [Dataset]

Lin, Huaiqin, Baker, Colin C., Huang, Zhimeng, Pidishety, Shankar, Feng, Yutong, Friebele, E. Joseph, Burdett, Ashley A., Rhonehouse, Daniel L., Shaw, L. Brandon, Sanghera, Jasbinder and Nilsson, Lars (2018) Dataset for 110 W High-Efficiency Er-Nanoparticle-Doped Fiber Laser. University of Southampton doi:10.5258/SOTON/D0360 [Dataset]

Feng, Yujun, Nilsson, Johan and Price, Jonathan (2018) Robust phase retrieval using group-delay-dispersion-scanned second harmonic generation demonstrated in a femtosecond fiber chirped-pulse amplification system. IEEE Journal of Quantum Electronics. (doi:10.1109/JQE.2018.2850444).

Rojas Hernandez, Pablo, Gerardo, Pidishety, Shankar, Belal, Mohammad, Feng, Yutong and Nilsson, Lars (2018) Data for 'High-energy pulse amplification in partly quenched highly Er3+-doped fiber'. University of Southampton [Dataset]

Rojas Hernandez, Pablo Gerardo, Baker, Colin, Pidishety, Shankar, Belal, Mohammad, Friebele, E. Joseph, Burdett, Ashley, Rhonehouse, Daniel, Shaw, L. Brandon, Sanghera, Jasbinder and Nilsson, Johan (2018) High-energy pulse amplification in partly quenched highly Er3+-doped fiber. 2 pp, pp. 1-2. (Submitted)

Lin, Huaiqin, Baker, Colin C., Huang, Zhimeng, Pidishety, Shankar, Feng, Yutong, Friebele, E. Joseph, Burdett, Ashley A., Rhonehouse, Daniel L., Shaw, L. Brandon, Sanghera, Jasbinder and Nilsson, Johan (2018) 110 W High-Efficiency Er-Nanoparticle-Doped Fiber Laser. In Conference on Lasers and Electro-Optics. Optical Society of America.. (doi:10.1364/CLEO_SI.2018.SW4K.5).

Feng, Yujun, Price, Jonathan and Nilsson, Lars (2018) Dataset for Robust phase retrieval using group-delay-dispersion-scanned second harmonic generation demonstrated in a femtosecond fiber chirped-pulse amplification system. University of Southampton doi:10.5258/SOTON/D0414 [Dataset]

Feng, Yujun, Lin, Huaiqin and Nilsson, Lars (2017) Dataset for Single-shot phase measurement and fluctuation analysis on ns fiber amplifier. University of Southampton doi:10.5258/SOTON/D0350 [Dataset]

Feng, Yujun, Zhang, Betty Meng and Nilsson, Johan (2018) Numerical analysis on the influence of photo darkening heating induced phase distortion on fiber coherent combining CPA scheme. In CLEO: Applications and Technology 2018. Optical Society of America.. (doi:10.1364/CLEO_AT.2018.JTh2A.110).

Feng, Yujun, Lin, Huaiqin and Nilsson, Johan (2018) Single-shot phase measurement and fluctuation analysis of Yb-doped fiber amplifier for nanosecond pulses. In CLEO: Science and Innovations 2018. Optical Society of America. SM2K.7. (doi:10.1364/CLEO_SI.2018.SM2K.7).

Zhu, Sheng, Pidishety, Shankar, Feng, Yutong, Hong, Soonki, Demas, Jeff, Sidharthan, Raghuraman, Yoo, Seongwoo, Ramachandran, Siddharth, Srinivasan, Balaji and Nilsson, Lars (2018) Dataset for Multimode-pumped Raman amplification of a higher order mode in a large mode area fiber. University of Southampton doi:10.5258/SOTON/D0529 [Dataset]

Ji, Junhua, Lin, Huaiqin, Sidharthan, Raghuraman, Ho, Daryl, Zhou, Yanyan, Nilsson, Johan and Yoo, Seongwoo (2018) Bendable large-mode-area fiber with a non-circular core. Applied Optics, 57 (22), 6388-6395. (doi:10.1364/AO.57.006388).

Hong, Soonki, Feng, Yutong and Nilsson, Johan (2018) Off-peak dual-wavelength multimode diode-laser-pumped fiber Raman laser. IEEE Photonics Technology Letters, 1-4. (doi:10.1109/LPT.2018.2863559).

Park, Kyoungyoon, Harish, Achar V., Nilsson, Johan and Jeong, Yoonchan (2018) Impact of Brillouin-enhanced four-wave mixing on the stimulated Brillouin scattering threshold in short optical fibers. In Optical Sensors, Sensors 2018. vol. Part F110-Senso, OSA.. (doi:10.1364/SENSORS.2018.SeW4E.4).

Zhu, Sheng, Pidishety, Shankar, Feng, Yutong, Hong, Soonki, Demas, Jeff, Sidharthan, Raghuraman, Yoo, Seongwoo, Ramachandran, Siddharth, Srinivasan, Balaji and Nilsson, Johan (2018) Multimode-pumped Raman amplification of a higher order mode in a large mode area fiber. Optics Express, 26 (18), 2395-23304. (doi:10.1364/OE.26.023295).

Feng, Yutong, Zhu, Sheng, Hong, Soonki, Lin, Huaiqin, Barua, Pranabesh, Sahu, Jayanta and Nilsson, Johan (2018) Spatially gain-tailored fiber Raman laser cladding-pumped by multimode disk laser at 1030 nm. At 2018 Conference on Lasers and Electro-Optics (18/05/18) 2018 Conference on Lasers and Electro-Optics, San Jose, United States. 13 - 18 May 2018. 2 pp. (doi:10.1364/CLEO_AT.2018.JTh2A.109).

Feng, Yujun, Zhang, Betty Meng and Nilsson, Johan (2018) Photodarkening-induced phase distortions and their effects In single-channel and coherently combined Yb-doped fiber chirped pulse amplification systems. Journal of Lightwave Technology, 36 (23), 5521-5527. (doi:10.1109/JLT.2018.2874086).

Feng, Yujun, Zhang, Betty Meng and Nilsson, Lars (2018) Dataset for Photodarkening-Induced Phase Distortions And Their Effects In Single-Channel And Coherently Combined Yb-Doped Fiber Chirped Pulse Amplification Systems. University of Southampton doi:10.5258/SOTON/D0406 [Dataset]

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