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Proceedings Paper

Analysis of dynamic channel power equalization by using nonlinear amplifying Sagnac interferometer for ASK-WDM transmission
Author(s): Feng Qu; Xiaoming Liu; Jianhui Zhao
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Paper Abstract

A power equalization using an asymmetric nonlinear amplifying Sagnac interferometer (NASI) for ASK modulation is studied numerically. A nonreciprocal phase bias was proposed to be introduced into the structure. The nonreciprocal phase bias reduces not only the demanding for amplifier power or fiber non-linearity, but also increase the dynamic input power range. The power equalization is demonstrated for RZ modulation by nonlinear phase analysis and eye diagram simulation.

Paper Details

Date Published: 12 May 2004
PDF: 8 pages
Proc. SPIE 5280, Materials, Active Devices, and Optical Amplifiers, (12 May 2004); doi: 10.1117/12.519969
Show Author Affiliations
Feng Qu, Tsinghua Univ. (China)
Xiaoming Liu, Tsinghua Univ. (China)
Jianhui Zhao, Tsinghua Univ. (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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