Research ArticleOpen AccessGoogle Scholar indexed
Tunable Multi Wavelength by Pulse Signal Modulation in Laser Pumping of EDFA
Department of Physics, Faculty of Science, Mahasarakham University, Mahasarakham, Thailand
The Institute for Fundamental Study, Naresuan University, Phitsanulok, Thailand
- 1 Department of Physics, Faculty of Science, Mahasarakham University, Mahasarakham, Thailand
- 2 The Institute for Fundamental Study, Naresuan University, Phitsanulok, Thailand
Journal of Modern Physics·Volume 06 (2015)·Pages 521–525·Published 31 March 2015·DOI10.4236/jmp.2015.65056
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Abstract
This report is aimed to present the result of experimental setup of the erbium-doped fiber amplifier ( EDFA ) with modulated pulse signal by laser pumping at wavelength 980 nm. The amplified spontaneous emission ( ASE ) from EDFA has multi wavelength and the spacing of wavelength can be controlled by controlling the pulse width of laser pumping. The result in this experiment shows that the feasibility of using EDFA system can generate the multi wavelength of all of C -Band spectrum. The pulse signal, for modulated laser pumping, is observed ranging from 10 to 100 Hz and the wavelength spacing can be tuned from 14.7 nm to 14.9 nm.
KeywordsErbium-Doped Fiber Amplifier (EDFA)WDMMulti Wavelength Laser
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