Digital signal processing for fiber nonlinearities
Digital signal processing for fiber nonlinearities [Invited] clickable element to expand a topic
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Digital signal processing techniques enabling multi-Tb\/s superchannel transmission: an overview of recent advances in DSP-enabled superchannels
X Liu, S Chandrasekhar… - IEEE Signal Processing …, 2014 - ieeexplore.ieee.org
Digital signal processing (DSP) combined with coherent detection has played a central role
in the recent capacity expansion of optical networks. Optical superchannels aim to increase …
in the recent capacity expansion of optical networks. Optical superchannels aim to increase …
Simplified Volterra series nonlinear equalizer for polarization-multiplexed coherent optical systems
FP Guiomar, AN Pinto - Journal of lightwave technology, 2013 - ieeexplore.ieee.org
Starting from a previously proposed frequency-domain Volterra series nonlinear equalizer
(VSNE), whose complexity evolves as O (N 3), with N being the frequency-domain block …
(VSNE), whose complexity evolves as O (N 3), with N being the frequency-domain block …
Machine-learning-aided optical fiber communication system
X Pan, X Wang, B Tian, C Wang, H Zhang… - IEEE …, 2021 - ieeexplore.ieee.org
The fiber optical network offers high speed, large bandwidth, and a high degree of reliability.
However, the development of optical communication technology has hit a bottleneck due to …
However, the development of optical communication technology has hit a bottleneck due to …
On advanced FEC and coded modulation for ultra-high-speed optical transmission
IB Djordjevic - IEEE Communications Surveys & Tutorials, 2016 - ieeexplore.ieee.org
This tutorial paper presents an overview of advanced FEC and coded modulation (CM) for
optical communications. It describes the following ultra-high-speed optical transport …
optical communications. It describes the following ultra-high-speed optical transport …
Dimensions-reduced volterra digital pre-distortion based on orthogonal basis for band-limited nonlinear opto-electronic components
Optical communication systems often include nonlinear components, such as Mach-Zehnder
modulators (MZMs). The components' nonlinearity may have a deleterious effect on the …
modulators (MZMs). The components' nonlinearity may have a deleterious effect on the …
Nonlinearity cancellation in fiber optic links based on frequency referenced carriers
We study the limitations and their origins in the nonlinear effects mitigation in fiber-optic
communication systems. The carrier frequencies uncertainty and their stochastic variations …
communication systems. The carrier frequencies uncertainty and their stochastic variations …
Security threats and protection procedures for optical networks
This study addresses the issues of optical network survivability to attacks in the optical
physical layer. The authors comprehensively review and discuss the vulnerability of optical …
physical layer. The authors comprehensively review and discuss the vulnerability of optical …
Volterra-assisted optical phase conjugation: A hybrid optical-digital scheme for fiber nonlinearity compensation
Digital nonlinearity compensation (NLC) schemes such as digital backpropagation and
Volterra equalization are well known to be effective techniques in mitigating optical fiber …
Volterra equalization are well known to be effective techniques in mitigating optical fiber …
Low complexity advanced DBP algorithms for ultra-long-haul 400 G transmission systems
SB Amado, FP Guiomar, NJ Muga… - Journal of Lightwave …, 2016 - opg.optica.org
We experimentally assess the performance versus complexity tradeoff of advanced split-step
and Volterra-based digital backpropagation (DBP) techniques, applied to a WDM (75-GHz …
and Volterra-based digital backpropagation (DBP) techniques, applied to a WDM (75-GHz …