Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22517
Title: Optimization and fabrication of stitched long-period gratings for gain flattening of ultrawide-band EDFAs
Authors: Zhang, AP
Chen, XW
Yan, JH
Guan, ZG
He, S
Tam, HY 
Keywords: Erbium-doped fiber amplifier (EDFA)
Gain flattening
Genetic algorithm (GA)
Long-period fiber gratings (LPGs)
Issue Date: 2005
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE photonics technology letters, 2005, v. 17, no. 12, p. 2559-2561 How to cite?
Journal: IEEE photonics technology letters 
Abstract: We present the optimization and fabrication of the stitched long-period fiber gratings (SLPGs) for gain flattening of an ultrawide-band erbium-doped fiber amplifier (EDFA). With an improved genetic algorithm, the gain spectrum of a practical EDFA with bandwidth of 80 nm is flattened within ±0.69 dB by an optimized SLPG. Furthermore, the SLPG is designed specially for a point-by-point grating writing technique. A superior control of the fabrication procedure of the designed SLPG has been demonstrated in the experiment.
URI: http://hdl.handle.net/10397/22517
ISSN: 1041-1135
EISSN: 1941-0174
DOI: 10.1109/LPT.2005.859148
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