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Single-Carrier 216 Gbit/s, 12 Gsymbol/s 512 QAM Coherent Transmission over 160 km with Injection-locked Homodyne Detection

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Abstract

We demonstrate a pol-mux, 12 Gsymbol/s 512 QAM coherent transmission. An injection-locked homodyne-detection circuit enabled precise optical-phase locking, and 216 Gbit/s-data were successfully transmitted over 160 km with a potential spectral efficiency of 12 bit/s/Hz.

© 2017 Optical Society of America

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