Narrow spectral response of a Brillouin generator

Er'el Granot, Shmuel Sternklar, David Kwiat, Tal Arditi, Moshe Tur

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


We analyze both theoretically and experimentally the temporal response of a stimulated Brillouin scattering generator to an harmonically modulated pump beam in a 2.1 km optical fiber. It is shown that at certain frequencies fmin≅fcGm (where m is an integer number and fcG≅c(1-G-1)/2nL are frequencies which depends mainly on the fiber's length L but also on the beam's intensity via G) the first harmonic of the generated Stokes beam is relatively suppressed but never vanishes. These frequencies are considerably smaller than the Brillouin's spectral width (∼20 MHz). Excellent agreement with the analytical model is presented.

Original languageEnglish
Pages (from-to)328-330
Number of pages3
JournalOptics Communications
Issue number1
StatePublished - 1 Mar 2006


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