Improvement in characteristics of a distributed Raman fiber amplifier by using signal-pump double-pass scheme

Liang Dou; Ming Li; Zhengbin Li; Anshi Xu; Chin-Yin David Lan; Shien-Kuei Liaw

doi:10.1117/1.2354472

1 September 2006 Improvement in characteristics of a distributed Raman fiber amplifier by using signal-pump double-pass scheme

Liang Dou, Ming Li, Zhengbin Li, Anshi Xu, Chin-Yin David Lan, Shien-Kuei Liaw

Author Affiliations +

Optical Engineering, Vol. 45, Issue 9, 094201 (September 2006). https://doi.org/10.1117/1.2354472

Abstract

We have proposed and demonstrated a novel signal-pump double-pass distributed Raman fiber amplifier (RFA) by using a three-port optical circulator as a reflective mirror. This unique RFA architecture not only doubles the amount of dispersion compensation, but also enhances the pumping efficiency. In comparison with the conventional signal-pump single-pass scheme, the proposed RFA has a 2.0-dB gain improvement and a 3.7-dB equivalent noise figure suppression, measured at 1598 nm. The proposed RFA may find wide applications in long-haul transmission and optical networks, where dispersion compensation is of great concern.

©(2006) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Liang Dou, Ming Li, Zhengbin Li, Anshi Xu, Chin-Yin David Lan, and Shien-Kuei Liaw "Improvement in characteristics of a distributed Raman fiber amplifier by using signal-pump double-pass scheme," Optical Engineering 45(9), 094201 (1 September 2006). https://doi.org/10.1117/1.2354472

Published: 1 September 2006

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