Yi Cai

Mixed signal pre-emphasis technique for optical transceivers

Turbo product coded modulation

Iterative post-equalization for coherent optical receivers

Maximum likelihood sequence estimation of quadrature amplitude modulated signals

Adaptive post digital filter and inter-symbol interference equalizer for optical communication

In-band signaling for reconfiguring software defined optics

Method and apparatus for digital polarization scrambling in coherent optical communication systems employing both transmit and receive digital signal processing

Statistics adaptive soft decision forward error correction in digital communication

Soft maximum likelihood sequence estimation in digital communication

Method with improved phase robustness in coherent detected optical system

Generating higher-level quadrature amplitude modulation (QAM) using a delay line interferometer and systems and methods incorporating same

Vestigial phase shift keying modulation and systems and methods incorporating same

System and method for generating soft decision reliability information from hard decisions in an optical signal receiver

Joint carrier phase estimation and forward error correction

Correlation-control QPSK transmitter