Qpsk Transmitter Characterization And Reconstruction Of Optical Field By 1 Symbol Delayed Self-Homodyne Detection

M Zaeh,T Duthel,C R S Fludger,J C Geyer,S Wiese,C Schulien

2010 36TH EUROPEAN CONFERENCE AND EXHIBITION ON OPTICAL COMMUNICATION (ECOC), VOLS 1 AND 2（2010）

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摘要

From 1-symbol delayed self-homodyne detected NRZ-DQPSK signals we derive four metrics, which allow for characterization of specific transmitter parameter misalignments. The presented approach does not only rely on interference constellation diagrams but incorporates reconstructing the transmitted optical field.

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关键词

phase modulation,light interference,optical communication,constellation diagram,optical field

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