Effect of Rayleigh-scattering distributed feedback on multiwavelength Raman fiber laser generation

A.E. El-Taher, P. Harper, S.A. Babin, D.V. Churkin, E.V. Podivilov, J.D. Ania-Castañón, S.K. Turitsyn

Research output: Contribution to journalArticle

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 ∼100 GHz (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.

Original languageEnglish
Pages (from-to)130-132
Number of pages3
JournalOptics Letters
Volume36
Issue number2
DOIs
Publication statusPublished - 6 Jan 2011

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