In this Letter, we propose a novel method based on the inhomogeneous Brillouin gain saturation to reduce the gain bandwidth significantly below its natural value. Based on our first experiments, we report a decrease of the bandwidth in a standard single mode fiber down to 3 MHz.
© 2012 Optical Society of America
Original Manuscript: December 15, 2011
Revised Manuscript: January 20, 2012
Manuscript Accepted: January 20, 2012
Published: February 28, 2012
Andrzej Wiatrek, Stefan Preußler, Kambiz Jamshidi, and Thomas Schneider, "Frequency domain aperture for the gain bandwidth reduction of stimulated Brillouin scattering," Opt. Lett. 37, 930-932 (2012)