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掺Er及Yb-Er共掺Al2O3光波导放大器噪音特性的数值模拟

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Indexed by:期刊论文

Date of Publication:2008-06-15

Journal:光子学报

Included Journals:EI、PKU、ISTIC、CSCD

Volume:37

Issue:6

Page Number:1093-1097

ISSN No.:1004-4213

Key Words:掺Er及Yb-Er共掺Al2O3光波导放大器;噪音系数;放大的自发辐射;数值模拟

Abstract:利用由速率方程、有限元场分布、传输方程构建的综合理论模型,数值求解了掺Er及Yb-Er共掺Al2O3光波导放大器的噪音系数和正反向自发辐射功率结果表明,随波导长度的增加,当增益开始下降时,噪音系数显著增加同时显示了抽运功率和掺杂浓度对噪音系数的影响,比较了两种掺杂放大器的噪音系数,Yb-Er共掺比只掺Er的约小0.8 dB.

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