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Proceedings Paper

Transience in fiber Raman amplifiers: characteristics and system design guidelines
Author(s): Lun Zhang; Sihai Wang; Chongcheng Fan
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Paper Abstract

Analytical expressions of transient phenomena in discrete fiber Raman amplifiers (FRAs) are presented in this paper. It is found that the recovery time in gain-saturated backward-pumped FRAs equals to the round-trip time of optical wave in the FRA, and is typically in the order of 10-1 ms. The power excursion amplitude and recovery time will increase dramatically in cascaded FRAs, leading to severe system performance degradation. Characteristics of transience in cascaded and gain-clamped FRAs and some design guidelines are also discussed based on these analytical expressions.

Paper Details

Date Published: 17 October 2001
PDF: 8 pages
Proc. SPIE 4581, Passive Components and Transmission Systems, (17 October 2001); doi: 10.1117/12.445040
Show Author Affiliations
Lun Zhang, Tsinghua Univ. (China)
Sihai Wang, Tsinghua Univ. (China)
Chongcheng Fan, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 4581:
Passive Components and Transmission Systems
Chongcheng Fan; Norman S. Kwong, Editor(s)

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