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Ultrafast control of surface plasmon propagation

Ultrafast control of surface plasmon propagation
Ultrafast control of surface plasmon propagation
Excitation of an aluminium/dielectric plasmonic waveguide with 200 fs optical pulses leads to the transient modulation of surface plasmon-polariton (SPP) signals propagating in the waveguide. We show that by tuning the excitation wavelength to aluminium's interband absorption peak at ~810 nm, a modulation depth of more than 35% can be achieved at an excitation fluence of 13 mJ/cm2. We also consider issues relevant to the propagation of short SPP pulses in a range of metal/dielectric waveguides.
Sámson, Z.L.
baef8935-31da-42a5-9772-53f28dfe5672
MacDonald, K.F.
76c84116-aad1-4973-b917-7ca63935dba5
Zheludev, N.I.
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Sámson, Z.L.
baef8935-31da-42a5-9772-53f28dfe5672
MacDonald, K.F.
76c84116-aad1-4973-b917-7ca63935dba5
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Sámson, Z.L., MacDonald, K.F. and Zheludev, N.I. (2009) Ultrafast control of surface plasmon propagation. Conference on Ultrafast and Nonlinear Optics (UFNO 2009), Burgas, Bulgaria. 14 - 18 Sep 2009. 1 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

Excitation of an aluminium/dielectric plasmonic waveguide with 200 fs optical pulses leads to the transient modulation of surface plasmon-polariton (SPP) signals propagating in the waveguide. We show that by tuning the excitation wavelength to aluminium's interband absorption peak at ~810 nm, a modulation depth of more than 35% can be achieved at an excitation fluence of 13 mJ/cm2. We also consider issues relevant to the propagation of short SPP pulses in a range of metal/dielectric waveguides.

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Published date: September 2009
Venue - Dates: Conference on Ultrafast and Nonlinear Optics (UFNO 2009), Burgas, Bulgaria, 2009-09-14 - 2009-09-18

Identifiers

Local EPrints ID: 78955
URI: http://eprints.soton.ac.uk/id/eprint/78955
PURE UUID: c7038791-e170-44ff-87f0-6b9e6852d7ff
ORCID for K.F. MacDonald: ORCID iD orcid.org/0000-0002-3877-2976
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 19 Mar 2010
Last modified: 14 Mar 2024 02:43

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Contributors

Author: Z.L. Sámson
Author: K.F. MacDonald ORCID iD
Author: N.I. Zheludev ORCID iD

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