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Energy-efficient Coherent PON System with Access-span Length Difference between ONUs using Marginal IQ Power Loading in Downlink Transmission

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Abstract

2.7 dB power efficiency improvement consistent with theory was experimentally obtained by marginal IQ distorted QPSK signal with and DD-CPR in the case of the 57 km downlink access span length difference between two ONUs.

© 2020 The Author(s)

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