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Design of λ/4 phase shifted DFB fibre Raman laser

Design of λ/4 phase shifted DFB fibre Raman laser
Design of λ/4 phase shifted DFB fibre Raman laser
The feasibility of building a distributed feedback fibre Raman laser based on a long uniform fibre Bragg grating was suggested by Perlin et al. [1]. However, such a laser requires good grating uniformity along a very long length, e.g. 1m, and has not been investigated experimentally. In this study, we demonstrated an improved design of a DFB fibre Raman laser with an optimised λ/4 phase-shifted grating structure, which enables highly efficient laser operation at low threshold with a relatively short cavity length.
Hu, Youfang
38fe48b3-1609-4834-ad54-dc823e3a98b3
Broderick, Neil G.R.
1b3f7d34-4fd4-4ec5-9b90-c3cfb176f757
Hu, Youfang
38fe48b3-1609-4834-ad54-dc823e3a98b3
Broderick, Neil G.R.
1b3f7d34-4fd4-4ec5-9b90-c3cfb176f757

Hu, Youfang and Broderick, Neil G.R. (2009) Design of λ/4 phase shifted DFB fibre Raman laser. European Conference on Lasers and Electro-Optics (CLEO/Europe-EQEC), Germany. 13 - 18 Jun 2009.

Record type: Conference or Workshop Item (Paper)

Abstract

The feasibility of building a distributed feedback fibre Raman laser based on a long uniform fibre Bragg grating was suggested by Perlin et al. [1]. However, such a laser requires good grating uniformity along a very long length, e.g. 1m, and has not been investigated experimentally. In this study, we demonstrated an improved design of a DFB fibre Raman laser with an optimised λ/4 phase-shifted grating structure, which enables highly efficient laser operation at low threshold with a relatively short cavity length.

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Published date: 19 June 2009
Additional Information: (Poster)
Venue - Dates: European Conference on Lasers and Electro-Optics (CLEO/Europe-EQEC), Germany, 2009-06-13 - 2009-06-18

Identifiers

Local EPrints ID: 78978
URI: http://eprints.soton.ac.uk/id/eprint/78978
PURE UUID: 3dc9502d-2a4d-4b06-827d-98a9d3ed9349

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Date deposited: 19 Mar 2010
Last modified: 23 Apr 2020 16:31

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