We observed instability in Raman optical amplifiers caused by the Raman gain and the cavity between two mirrors formed by distributed Rayleigh reflection. Threshold pump power for the instability and limitation imposed on Raman amplifiers are derived and discussed.
© 2003 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(290.0290) Scattering : Scattering
(290.5910) Scattering : Scattering, stimulated Raman
C. Chen, H. K. Lee, and Y. Cheng, "Instability in Raman Amplifiers Caused by Distributed Rayleigh Reflection," in Optical Fiber Communication Conference, Technical Digest (Optical Society of America, 2003), paper TuC2.
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