| A new compensation method for temperature-dependent gain tilt in L-band EDFA by adjusting only inserted VOA |
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| 作者姓名： | 蒋俏峰 刘小明 王青 王燕 |
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| 作者单位： | Department of Electronic Engineering，Tsinghua University，Beijing 100084，Department of Electronic Engineering，Tsinghua University，Beijing 100084，Department of Electronic Engineering，Tsinghua University，Beijing 100084，Department of Electronic Engineering，Tsinghua University，Beijing 100084 |
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| 摘 要： | 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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A new compensation method for temperature-dependent gain tilt in L-band EDFA by adjusting only inserted VOA |
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| 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. Asimple linear relationship between the attenuation and the erbium fiber coil temperature was derivedtheoretically. When the erbium fiber coil temperature cycles from 26 to 70℃, the gain tilt variationless than 0.3 dB is achieved experimentally by adjusting only the pre-inserted variable optical attenuator(VOA). |
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