Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19237
Title: Optimization of slep-changed long-period gratings for gain-flattening of EDFAs
Authors: Zhang, AP
Chen, XW
Guan, ZG
He, S
Tam, HY 
Chung, WH
Keywords: Band-rejection filters
Erbium-doped fiber amplifier (EDFA)
Gain flattening
Genetic algorithm
Long-period fiber gratings (LPGs)
Issue Date: 2005
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE photonics technology letters, 2005, v. 17, no. 1, p. 121-123 How to cite?
Journal: IEEE photonics technology letters 
Abstract: We report the use of the genetic algorithm to optimize the parameters of our previously proposed step-changed long-period gratings for gain-flattening of erbium-doped fiber amplifiers (EDFAs). The gain spectrum of an EDFA is flattened within ¡Ó0.35 dB over 30 nm through a suitable selection of the cladding mode and the optimization of the grating parameters. An amplitude-mask structure is proposed to simplify the fabrication process of the optimal grating structure.
URI: http://hdl.handle.net/10397/19237
ISSN: 1041-1135
EISSN: 1941-0174
DOI: 10.1109/LPT.2004.836905
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