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Title: Optical automatic dual-laser gain control EDFA by using double pairs of FBGs
Authors: Zhao, C
Guan, B
Dong, X
Tam, HY 
Yuan, S
Dong, X
Keywords: Erbium-doped fiber amplifier (EDFA)
Optical gain control
Relaxation oscillations
Spectral-hole burning
Issue Date: 2003
Publisher: 中国光学学会
Source: 光学学报 (Acta Optica Sinica), 2003, v. 23, no. 4, p. 417-421 How to cite?
Journal: 光学学报 (Acta Optica Sinica) 
Abstract: A simple configure for automatic gain control of optical amplifiers is presented, in which two pairs of FBGs are used to form dual-oscillating lasers. The experimental results suggest that the configure can be employed to significantly reduce surviving channel steady-state and transient power excursion. Moreover, the effects of the gain control EDFA on surviving channel at different add/drop frequency are discussed. Experimental results show that the dual-oscillating laser gain controlled EDFA operates satisfactory with channel's add/drop frequency up to 43 kHz which is significantly higher than that with single-oscillating laser control.
ISSN: 0253-2239
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