Dual-wavelength, ultralong Raman laser with Rayleigh-scattering feedback.
We present experimental demonstration of a 200-km-long, dual-wavelength Raman laser utilizing two slightly different-wavelength fiber Bragg gratings, one on each side of the fiber span. The obtained results clearly prove the generation of two independent Raman lasers with a distributed "random" Rayleigh scattering mirror forming a cavity together with each of the individual fiber Bragg grating reflectors.
El-Taher
A E
AE
Photonics Research Group, Aston University, Birmingham, B4 7ET, UK. eltaheae@aston.ac.uk
Alcon-Camas
M
M
Babin
S A
SA
Harper
P
P
Ania-Castañón
J D
JD
Turitsyn
S K
SK