Title :
Analysis of counter-pumped small-signal fibre Raman amplifiers
Author_Institution :
Lincoln Lab., MIT, Lexington, MA
fDate :
3/27/1997 12:00:00 AM
Abstract :
Analytic expressions for the small-signal optical gain and noise figure of a counter-pumped fibre Raman amplifier are presented for unequal signal and pump loss coefficients. The author also presents analytic approximations for the gain limitations imposed by double Rayleigh scattering
Keywords :
Raman lasers; Rayleigh scattering; fibre lasers; laser noise; laser theory; optical pumping; counter-pumped fibre Raman amplifiers; double Rayleigh scattering; gain limitations; noise figure; pump loss coefficients; small-signal optical gain; unequal signal coefficients;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19970428