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Sub-watt threshold, kilohertz-linewidth Raman distributed-feedback fiber laser

Shi, Jindan, Alam, Shaif-ul and Ibsen, Morten (2012) Sub-watt threshold, kilohertz-linewidth Raman distributed-feedback fiber laser Optics Letters, 37, (9), pp. 1544-1546. (doi:10.1364/OL.37.001544).

Record type: Article

Abstract

We report a low-threshold, narrow linewidth Raman distributed-feedback (R-DFB) fiber laser at 1109.54 nm based on a 30 cm long center pi phase-shifted Bragg grating written directly in a commercially available germano-silica (Ge/Si) fiber. The R-DFB was pumped by a continuous-wave (CW) linearly polarized fiber source at 1064 nm, and the threshold power, full width at half-maximum (FWHM) linewidth and slope efficiency with respect to the incident pump power are measured to be 440 mW, <2.5 kHz (measured with a 29.75 km fiber delay line) and 13.5%, respectively. An rf spectrum analyzer confirms that the R-DFB fiber laser exhibits single-frequency performance.

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More information

Published date: 2012
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 339828
URI: http://eprints.soton.ac.uk/id/eprint/339828
ISSN: 0146-9592
PURE UUID: 91d4d9c5-3653-4658-891f-db49ccadb1ea

Catalogue record

Date deposited: 31 May 2012 10:41
Last modified: 18 Jul 2017 05:51

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Contributors

Author: Jindan Shi
Author: Shaif-ul Alam
Author: Morten Ibsen

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