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Coherent optical receiver with improved noise performance for optical fiber communication links
Coherent optical receiver with improved noise performance for optical fiber communication links
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机译:具有改进的噪声性能的相干光接收机,用于光纤通信链路
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摘要
The technology disclosed in this patent document can be implemented to provide an analog front part of an optical receiver module for coherent optical detection where the optical receiver module receives the optical input from a fiber link, performs optical to electrical conversion and analog processing for carrier frequency compensation, optical phase noise compensation and polarization rotation, and generates an analog electrical output for subsequent signal processing for coherent optical detection. The analog processing for the polarization rotation is placed downstream from the analog processing for carrier frequency compensation, and in some implementations, downstream from the analog processing for optical phase noise compensation.
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