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Journal Article Low-Noise Fiber Raman Amplifiers Based on a Raman Ring Fiber Oscillator
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Authors
Joon Tae Ahn, Hong-Seok Seo, Bong Je Park, Woon Jin Chung, Kyong Hon Kim
Issue Date
2007-12
Citation
IEEE Photonics Technology Letters, v.19, no.23, pp.1898-1900
ISSN
1041-1135
Publisher
IEEE
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1109/LPT.2007.908452
Project Code
07ZB1200, Future Technology Researches in the Fields of Informations and Telecommunications, Taehyoung Zyung
Abstract
We propose two discrete fiber Raman amplifier schemes using Raman ring fiber oscillator, a two-stage scheme, and a forward pumping scheme, to reduce double Rayleigh backscattering noise at high gains over 20 dB. Both schemes have low noise characteristics compared to a previous scheme. Bit-error-rate measurements at 10 Gb/s show power penalty free operation for the two-stage scheme at a gain of 25 dB. © 2007 IEEE.
KSP Keywords
Bit-error-rate(BER), Double Rayleigh backscattering(DRB), Fiber Raman amplifier, Low noise, Noise characteristics, Two-Stage, forward pumping, high gain, power penalty