Superscalar Parallel Carrier Phase Recovery with Transmitter I/Q Imbalance Compensation

TL;DR

This paper introduces a superscalar parallel two-stage carrier phase recovery system designed to enhance optical coherent receiver performance amidst transmitter I/Q imbalance, skew, and laser frequency variations.

Contribution

It presents a novel architecture that effectively compensates for transmitter I/Q impairments and laser fluctuations in optical communication systems.

Findings

Improved phase recovery accuracy in the presence of I/Q imbalance.

Enhanced robustness against laser frequency fluctuations.

Potential for higher data rates in optical coherent receivers.

Abstract

We propose a superscalar parallel two-stage carrier phase recovery architecture to improve the performance of optical coherent receivers in the presence of Tx I/Q imbalance, Tx I/Q skew, and laser frequency fluctuations.