Digital coherent receivers have caused a revolution in the design of optical transmission
systems, due to the subsystems and algorithms embedded within such a receiver. After …

Digital signal-processing-based coherent optical communication systems are widely viewed
as the most promising next-generation long-haul transport systems. One of the biggest …

Spectrally-efficient optical communications systems employ polarization division
multiplexing (PDM) as a practical solution, in order to double the capacity of a fiber link …

The performance enhancement using the Gram-Schmidt orthogonalization procedure
(GSOP) for compensating transmitter (Tx) and receiver (Rx) in-phase/quadrature (IQ) …

Transmitter in-phase/quadrature (IQ) mismatch in coherent optical orthogonal frequency
division multiplexing (CO-OFDM) systems is difficult to mitigate at the receiver using …

This work demonstrates the feasibility of the generation of an RF direct-detection vector
signal using optical in-phase/quadrature-phase (I/Q) upconversion. The advantage of the …

We report a novel digital coherent receiver based on sampling the signal in the optical
domain to overcome the speed limitations of electrical analog-to-digital converters. Digital …

摘要利用光纤偏振分束器和3dB 耦合器搭建偏振分集90 光学混频器, 采用单端接收实现了偏振
分集的相干接收机. 实现了10Gb/s 偏振复用差分相移键控(DPSK) 光信号, 经过280km …

A novel coherent receiver module is presented, comprising two optical 90°-hybrids
monolithically integrated with eight waveguide pin-photodiodes in balanced configuration …

An 8× 448-Gb/s polarization-division-multiplexing 16-ary quadrature amplitude modulation
wavelength-division multiplexing signal with 4-b/s/Hz spectral efficiency is generated using …