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Enhanced Carrier Phase Recovery for Spectral-efficient Digital Subcarrier Multiplexing Transmissions

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Abstract

We demonstrate a performance enhanced carrier-phase-recovery (CPR) method for spectral-efficient digital-subcarrier-multiplexing transmissions with two-interleaved-pilot-tones. By reconstructing and compensating transmitter-side and receiver-side laser phase noises separately, equalization-enhance-phase-noise (EEPN) can be circumvented.

© 2024 The Author(s)

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