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Proceedings Paper

Gain variations in bi-directionally pumped fiber Raman amplifier due to PMD
Author(s): Sheng Cui; Xiaoming Ma; Jinsong Liu
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Paper Abstract

Due to the polarization sensitivity of Raman gain and the random nature of PMD in the fiber the gain of fiber Raman amplifier not only depends on the polarization states of the input signal and pump but also fluctuates over a wide range during a relative long time. The fluctuations are related to the PMD parameter of the fiber and the pumping scheme. In this paper the statistics of the gain fluctuations in an amplifier employing bi-directionally pumping schemes is studied. The ratio of forward to total pumping power is optimized to achieve best trade-off between the OSNR and nonlinear distortions beforehand. The results obtained are useful for the further optimization of bi-directionally pumped amplifiers.

Paper Details

Date Published: 12 May 2004
PDF: 6 pages
Proc. SPIE 5280, Materials, Active Devices, and Optical Amplifiers, (12 May 2004); doi: 10.1117/12.520229
Show Author Affiliations
Sheng Cui, Xidian Univ. (China)
Xiaoming Ma, Shenzhen Polytechnic (China)
Jinsong Liu, Huazhong Univ. of Science and Technology (China)

Published in SPIE Proceedings Vol. 5280:
Materials, Active Devices, and Optical Amplifiers
Connie J. Chang-Hasnain; Dexiu Huang; Yoshiaki Nakano; Xiaomin Ren, Editor(s)

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