Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24153
Title: Optical automatic gain control of EDFA using two oscillating lasers in a single feedback loop
Authors: Zhao, CL
Tam, HY 
Guan, BO
Dong, X
Wai, PKA 
Dong, X
Keywords: EDFA
Inhomogeneity
Optical gain control
Relaxation oscillations
Spectral hole burning
Issue Date: 2003
Publisher: North-Holland
Source: Optics communications, 2003, v. 225, no. 1-3, p. 157-162 How to cite?
Journal: Optics communications 
Abstract: A novel configuration for automatic gain control of optical amplifiers is presented. It uses a F-P filter with 26.7 nm free spectral range and two long-period gratings (LPGs) to produce two lasing wavelengths in a single feedback loop. By bending the LPGs, the cavity losses at different wavelengths can be varied independently to achieve single and two oscillating lasers control conditions. The experimental result suggested that the simple configuration could be employed to significantly reduce the surviving channel steady-state and transient power excursion.
URI: http://hdl.handle.net/10397/24153
ISSN: 0030-4018
EISSN: 1873-0310
DOI: 10.1016/j.optcom.2003.07.020
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