| Impact of cascaded thin-film filters on metro networks employing NRZ, LPF-DB, and CSRZ formats |
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| 作者姓名： | 王悦 胡卫生 苏翼凯 郑铮 冷鹿峰 朱木源 胡佩刚 郭薇 金耀辉 |
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| 作者单位： | State Key Laboratory of Advanced Optical Communication Systems and Networks，Shanghai Jiao Tong University，Shanghai 200030，State Key Laboratory of Advanced Optical Communication Systems and Networks，Shanghai Jiao Tong University，Shanghai 200030，State Key Laboratory of Advanced Optical Communication Systems and Networks，Shanghai Jiao Tong University，Shanghai 200030，School of Electrical and Information Engineering，Beihang University，Beijing 100083，New York City College of Technology，City University of New York，New York，NY，USA，Optical Air Data Systems，Manassas，VA，USAReceived October 20，2004，State Key Laboratory of Advanced Optical Communication Systems and Networks，Shanghai Jiao Tong University，Shanghai 200030，State Key Laboratory of Advanced Optical Communication Systems and Networks，Shanghai Jiao Tong University，Shanghai 200030，State Key Laboratory of Advanced Optical Communication Systems and Networks，Shanghai Jiao Tong University，Shanghai 200030 |
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| 基金项目： | This work was supported in part by the Shang- hai Optical Technology (No. 012261030/046105003)，the National Natural Science Foundation of China (No. 60407008). |
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| 摘 要： | Thin-film filters (TFFs) have been widely employed in optical communication systems for their many attractive features, such as very low temperature dependence thus allowing operation without temperature controllers, flat- top passband to minimize the signal distortion, and rel- atively low insertion loss as well as little polarization dependency1]. Also, modules based on TFFs can be designed to be upgradeable. The performance of cas- caded TFFs in optical add/drop multiplexer (OADM) rin…
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