Analysis of combined effect of pump-intensity noise and reflection in counter-pumped Raman amplifiers | Zendy

Chul Han Kim | Zendy

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Analysis of combined effect of pump-intensity noise and reflection in counter-pumped Raman amplifiers

Author(s) -

Chul Han Kim

Publication year - 2005

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.13.006099

Subject(s) - optics , raman amplification , materials science , relative intensity noise , optical amplifier , raman spectroscopy , amplifier , raman scattering , noise (video) , optoelectronics , physics , laser , semiconductor laser theory , computer science , cmos , artificial intelligence , image (mathematics)

We have analyzed the combined effect of pump-intensity noise and reflections on the performance of counter-pumped Raman amplified systems. The required level of pump-intensity noise was evaluated for negligible enhancement of multi-path interference (MPI). We have also investigated the enhancement of pump-to-signal crosstalk caused by the reflections occurring within transmission fiber. We found that a high reflection (larger than -20 dB) within effective length of fiber could increase the effect of pump-to-signal crosstalk even for the counter-pumped Raman amplifiers.

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