The drive for higher performance in optical fiber systems has renewed interest in coherent
detection. We review detection methods, including noncoherent, differentially coherent, and …

Recent progress in coherent optical communication, a field revived by advances in digital
signal processing (DSP), is reviewed. DSP-based phase and polarization management …

Fiber-optic communication systems have revolutionized our telecommunication
infrastructures–currently, almost all telephone land-line, cellular, and internet …

Coherent detection offers high spectral efficiency and receiver sensitivity, but digital signal
processing (DSP)-based coherent receivers may be prohibitively power hungry for data …

We study a carrier-synchronization scheme for coherent optical communications that uses a
feedforward architecture that can be implemented in digital hardware without a phase …

Information-theoretic limits to spectral efficiency in dense wavelength-division-multiplexed
(DWDM) transmission systems are reviewed, considering various modulation techniques …

Next-generation optical fiber systems will employ coherent detection to improve power and
spectral efficiency, and to facilitate flexible impairment compensation using digital signal …

Passive optical network (PON) based on coherent detection has attracted a great deal of
attention in recent years as a future solution for 100+ Gbps per wavelength. Particularly for …

A coherent transmission methodology for a continuous-variable quantum key distribution
(CV-QKD) system based on quantum-heterodyne measurement through a coherent …

Homodyne phase-shift-keying systems can achieve the best receiver sensitivity and the
longest transmission distance among all optical communication systems. This paper reviews …