Experimental demonstration of mode structure in ultralong Raman fiber lasers

S.A. Babin, V. Karalekas, P. Harper, E.V. Podivilov, V.K. Mezentsev, J.D. Ania-Castañón, S.K. Turitsyn

Research output: Contribution to journalArticlepeer-review


We present the first experimental demonstration of a resolvable mode structure with spacing c/2nL in the RF spectra of ultralong Raman fiber lasers. The longest ever demonstrated laser cavity (L=84km), RF peaks of ∼100 Hz width and spacing ∼1 kHz have been observed at low intracavity powers. The width of the peaks increases linearly with growing intracavity power and is almost independent of fiber length. © 2007 Optical Society of America.

Original languageEnglish
Pages (from-to)1135-1137
Number of pages3
JournalOptics Letters
Issue number9
Publication statusPublished - May 2007

Bibliographical note

© 2007 Optical Society of America


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