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Suppression and modification of stimulated Raman scattering in optical fibres by rare-earth doping

Suppression and modification of stimulated Raman scattering in optical fibres by rare-earth doping
Suppression and modification of stimulated Raman scattering in optical fibres by rare-earth doping
Stimulated Raman scattering (SRS) is suppressed in an optical fibre by introducing a loss equivalent to the gain at the Stokes wavelength. The required absorption profile is obtained by doping the fibre with the rare-earth holmium. Experimental measurements on these fibres demonstrate suppression of SRS and an increase in the undepleted intensity levels obtainable in an optical fibre. Moreover suppression of the main Raman band due to silica enables SRS from a weaker phosphorus line at 1.240µm emission to be observed when pumped at 1.064µm.
Farries, M.C.
2a86f02d-d271-410f-b065-e417c7df5c8f
Townsend, J.E.
a5a6f6ef-adb0-4072-8dcb-b6f5b5a47e64
Farries, M.C.
2a86f02d-d271-410f-b065-e417c7df5c8f
Townsend, J.E.
a5a6f6ef-adb0-4072-8dcb-b6f5b5a47e64

Farries, M.C. and Townsend, J.E. (1988) Suppression and modification of stimulated Raman scattering in optical fibres by rare-earth doping. International Conference on Nonlinear Optical Phenomena, Ireland. 01 May 1988.

Record type: Conference or Workshop Item (Paper)

Abstract

Stimulated Raman scattering (SRS) is suppressed in an optical fibre by introducing a loss equivalent to the gain at the Stokes wavelength. The required absorption profile is obtained by doping the fibre with the rare-earth holmium. Experimental measurements on these fibres demonstrate suppression of SRS and an increase in the undepleted intensity levels obtainable in an optical fibre. Moreover suppression of the main Raman band due to silica enables SRS from a weaker phosphorus line at 1.240µm emission to be observed when pumped at 1.064µm.

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More information

Published date: 1988
Venue - Dates: International Conference on Nonlinear Optical Phenomena, Ireland, 1988-05-01 - 1988-05-01

Identifiers

Local EPrints ID: 77602
URI: https://eprints.soton.ac.uk/id/eprint/77602
PURE UUID: 642f38b9-205e-4941-8775-2f5c153ab3d4

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:30

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Contributors

Author: M.C. Farries
Author: J.E. Townsend

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