In this paper, we outline the design of signal processing (DSP) algorithms with blind
estimation for 100-G coherent optical polarization-diversity receivers in single-carrier …

Polarization-diverse coherent demodulation allows to compensate large values of
accumulated linear distortion by digital signal processing. In particular, in uncompensated …

We theoretically and experimentally investigate a time-domain digital pre-equalization
(DPEQ) scheme for bandwidth-limited optical coherent communication systems, which is …

A feedforward pilot-symbols-aided carrier-phase recovery scheme is described. The
approach relies on pilot symbols that are time-division multiplexed with the transmitted data …

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 …

We propose a novel frequency-domain adaptive equalizer in digital coherent optical
receivers, which can reduce computational complexity of the conventional time-domain …

Digital signal processing (DSP) combined with a phase and polarization diverse coherent
receiver is a promising technology for future optical networks. Not only can the DSP be used …

Digital filters underpin the performance of coherent optical receivers which exploit digital
signal processing (DSP) to mitigate transmission impairments. We outline the principles of …

In the digital coherent optical receiver, we can achieve polarization demultiplexing in the
digital domain, using a two-by-two matrix controlled by the constant-modulus algorithm …

We discuss the use of a coherent digital receiver for the compensation of linear transmission
impairments and polarization demultiplexing in a transmission system compatible with a …