Effect of Rayleigh-scattering distributed feedback on multiwavelength Raman fiber laser generation
- 6 January 2011
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 36 (2), 130-132
- https://doi.org/10.1364/ol.36.000130
Abstract
We experimentally demonstrate a Raman fiber laser based on multiple point-action fiber Bragg grating reflectors and distributed feedback via Rayleigh scattering in an ~22-km-long optical fiber. Twenty-two lasing lines with spacing of (close to International Telecommunication Union grid) in the C band are generated at the watt level. In contrast to the normal cavity with competition between laser lines, the random distributed feedback cavity exhibits highly stable multiwavelength generation with a power-equalized uniform distribution, which is almost independent on power.
Keywords
Funding Information
- Engineering and Physical Sciences Research Council (EPSRC) (EP/E015646/1)
- Russian Ministry of Education and Science
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