Chinese Optics Letters, 2003, 1 (8): 08451, Published Online: Jun. 6, 2006  

A new compensation method for temperature-dependent gain tilt in L-band EDFA by adjusting only inserted VOA Download: 897次

Author Affiliations
Department of Electronic Engineering, Tsinghua University, Beijing 100084
Abstract
A novel compensation method for temperature-dependent gain tilt of L-band erbium-doped fiber amplifier (L-EDFA) is proposed, in which the attenuation between stages is the only parameter to be adjusted. A simple linear relationship between the attenuation and the erbium fiber coil temperature was derived theoretically. When the erbium fiber coil temperature cycles from 26 to 70 ℃, the gain tilt variation less than 0.3 dB is achieved experimentally by adjusting only the pre-inserted variable optical attenuator (VOA).
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Qiaofeng Jiang, Xiaoming Liu, Qing Wang, Yan Wang. A new compensation method for temperature-dependent gain tilt in L-band EDFA by adjusting only inserted VOA[J]. Chinese Optics Letters, 2003, 1(8): 08451.

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