Raman fiber lasers with a random distributed feedback based on Rayleigh scattering

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

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate lasing based on a random distributed feedback due to the Raman amplified Rayleigh backscattering in different types of cavities with and without conventional point-action reflectors. Quasistationary generation of a narrowband spectrum is achieved despite the random nature of the feedback. The generated spectrum is localized at the reflection or gain spectral maxima in schemes with and without point reflectors, respectively. The length limit for a conventional cavity and the minimal pump power required for the lasing based purely on a random distributed feedback are determined.

Original languageEnglish
Article number033828
Number of pages7
JournalPhysical Review A
Volume82
Issue number3
DOIs
Publication statusPublished - 22 Sep 2010

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