Digital signal processing has completely changed the way optical communication systems
work during recent years. In combination with coherent demodulation, it enables …

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

Adaptive equalizer complexity in coherent optical receivers Page 1 Adaptive Equalizer
Complexity in Coherent Optical Receivers B. Spinnler (1), FN Hauske (2), and M. Kuschnerov …

This paper performs a detailed, multi-faceted analysis of key challenges and common
design caveats related to the development of efficient neural networks (NN) based nonlinear …

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 …

Fiber-optic research in signal processing for the first generation of coherent communication
systems was dominated by receivers with blind adaptation. Next-generation systems will …

In this paper, an alternative approach to design linear equalization algorithms for optical
coherent receivers is introduced. Using widely linear (WL) complex analysis, a general …

Digital coherent transceivers have revolutionized optical fiber communications due to their
superior performance offered compared to intensity modulation and direct detection based …

We investigate the potential of adaptive blind equalizers based on variational inference for
carrier recovery in optical communications. These equalizers are based on a low-complexity …

This paper introduces a novel methodology for developing low-complexity neural network
(NN) based equalizers to address impairments in high-speed coherent optical transmission …