Roadmap of optical communications
E Agrell, M Karlsson, AR Chraplyvy… - Journal of …, 2016 - iopscience.iop.org
Lightwave communications is a necessity for the information age. Optical links provide
enormous bandwidth, and the optical fiber is the only medium that can meet the modern …
enormous bandwidth, and the optical fiber is the only medium that can meet the modern …
Digital signal processing for fiber nonlinearities
Digital signal processing for fiber nonlinearities [Invited] clickable element to expand a topic
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On probabilistic sha** of quadrature amplitude modulation for the nonlinear fiber channel
T Fehenberger, A Alvarado… - Journal of Lightwave …, 2016 - ieeexplore.ieee.org
Different aspects of probabilistic sha** for a multispan optical communication system are
studied. First, a numerical analysis of the additive white Gaussian noise (AWGN) channel …
studied. First, a numerical analysis of the additive white Gaussian noise (AWGN) channel …
Beyond 100 Gb/s: capacity, flexibility, and network optimization
In this paper, we discuss building blocks that enable the exploitation of optical capacities
beyond 100 Gb/s. Optical networks will benefit from more flexibility and agility in their …
beyond 100 Gb/s. Optical networks will benefit from more flexibility and agility in their …
Nonlinear interference mitigation: Methods and potential gain
We explore the potential benefits of digital nonlinearity compensation (NLC) techniques in
fully loaded coherent wavelength-division multiplexed (WDM) transmission systems. After …
fully loaded coherent wavelength-division multiplexed (WDM) transmission systems. After …
Hierarchical distribution matching for probabilistically shaped coded modulation
The implementation difficulties of combining distribution matching (DM) and dematching
(invDM) for probabilistic sha** (PS) with soft-decision forward error correction (FEC) …
(invDM) for probabilistic sha** (PS) with soft-decision forward error correction (FEC) …
Geometrically-shaped multi-dimensional modulation formats in coherent optical transmission systems
Sha** modulation formats in multi-dimensional (MD) space is an effective approach to
harvest spectral efficiency gains in both the additive white Gaussian noise (AWGN) channel …
harvest spectral efficiency gains in both the additive white Gaussian noise (AWGN) channel …
High capacity transport—100G and beyond
K Roberts, SH Foo, M Moyer, M Hubbard… - Journal of Lightwave …, 2014 - ieeexplore.ieee.org
For excellent cost and performance, modern high capacity transport systems use digital
coherent processing to overcome many physical barriers. Coherent methods are explained …
coherent processing to overcome many physical barriers. Coherent methods are explained …
Polarization-ring-switching for nonlinearity-tolerant geometrically shaped four-dimensional formats maximizing generalized mutual information
In this paper, a new four-dimensional 64-ary polarization ring switching (4D-64PRS)
modulation format with a spectral efficiency of 6 bit/4D-sym is introduced. The format is …
modulation format with a spectral efficiency of 6 bit/4D-sym is introduced. The format is …
Capacity-approaching transmission over 6375 km at spectral efficiency of 8.3 bit/s/Hz
Abstract Transmission capacities of 34.9 Tb/s over 6375 km based on Gaussian-like DP-
64APSK and 33.3 Tb/s over 6800 km using DP-32QAM are demonstrated using hybrid …
64APSK and 33.3 Tb/s over 6800 km using DP-32QAM are demonstrated using hybrid …