Abstract
We present a novel ultrahigh-speed transmission scheme with high spectral-efficiency (SE) using time-domain orthogonality in coherent optical Nyquist pulses. We demonstrate a 1.92-Tbit/s/ch (160-Gbaud), PDM-64-QAM transmission over 150 km with 10.6-bit/s/Hz SE with this scheme.
© 2015 Optical Society of America
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