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Impact of Cascaded Signal and Noise Responses on the Performance of a DP-QPSK System with Optical Filtering

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Abstract

The implications of cascaded optical filters on the real-time performance of a 140 Gb/s DP-QPSK transceiver are investigated by emulating passband variations through cascaded responses for both the signal and noise, and bandwidth narrowing.

© 2020 The Author(s)

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