期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 15, 期 2, 页码 251-253出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2002.806104
关键词
erbium-doped fiber amplifier (EDFA) systems; long-period fiber gratings (LPFGs); tunable gain equalizers
A novel tunable gain equalizer based on the long-period fiber grating (LPFG) induced by high-frequency CO2 laser pulses is demonstrated, for the first time, to our knowledge. Both the resonant wavelength and the resonant peak amplitude of the novel LPFG have a good linearity with temperature and transverse load, respectively. The wavelength and the peak amplitude of the gain equalizer can be tuned by the means of adjusting temperature and transverse load independently, showing that this tunable equalizer is a practical approach to realizing dynamic gain equalization in erbium-doped fiber amplifier systems.
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