Experimental comparison of probabilistic shaping methods for unrepeated fiber transmission

J Renner, T Fehenberger, MP Yankov… - Journal of lightwave …, 2017 - opg.optica.org
This paper studies the impact of probabilistic shaping on effective signal-to-noise ratios
(SNRs) and achievable information rates (AIRs) in a back-to-back configuration and in …

On probabilistic shaping of quadrature amplitude modulation for the nonlinear fiber channel

T Fehenberger, A Alvarado… - Journal of Lightwave …, 2016 - ieeexplore.ieee.org
Different aspects of probabilistic shaping for a multispan optical communication system are
studied. First, a numerical analysis of the additive white Gaussian noise (AWGN) channel …

A simple nonlinearity-tailored probabilistic shaping distribution for square QAM

E Sillekens, D Semrau, G Liga… - 2018 Optical Fiber …, 2018 - ieeexplore.ieee.org
A Simple Nonlinearity-Tailored Probabilistic Shaping Distribution for Square QAM Page 1
M3C.4.pdf OFC 2018 © OSA 2018 A Simple Nonlinearity-Tailored Probabilistic Shaping …

Probabilistic amplitude shaping and nonlinearity tolerance: Analysis and sequence selection method

MT Askari, L Lampe, J Mitra - Journal of Lightwave Technology, 2023 - ieeexplore.ieee.org
Probabilistic amplitude shaping (PAS) is a practical means to achieve a shaping gain in
optical fiber communication. However, PAS and shaping in general also affect the signal …

Transmission method of improved fiber nonlinearity tolerance for probabilistic amplitude shaping

WR Peng, A Li, Q Guo, Y Cui, Y Bai - Optics Express, 2020 - opg.optica.org
For probabilistic amplitude shaping (PAS), we propose a super-symbol transmission method
that improves fiber nonlinearity tolerance. A simple fiber nonlinearity low-pass filtering …

Sequence-selection-based constellation shaping for nonlinear channels

S Civelli, E Forestieri, M Secondini - Journal of Lightwave …, 2024 - opg.optica.org
Probabilisticshaping is, nowadays, a pragmatic and popular approach to improve the
performance of coherent optical fiber communication systems. In the linear regime, the …

Analysis of nonlinear fiber interactions for finite-length constant-composition sequences

T Fehenberger, DS Millar, T Koike-Akino… - Journal of Lightwave …, 2020 - opg.optica.org
In order to realize probabilistically shaped signaling within the probabilistic amplitude
shaping (PAS) framework, a shaping device outputs sequences that follow a certain …

Temporal probabilistic shaping for mitigation of nonlinearities in optical fiber systems

MP Yankov, KJ Larsen… - Journal of Lightwave …, 2017 - ieeexplore.ieee.org
In this paper, finite state machine sources (FSMSs) are used to shape quadrature amplitude
modulation (QAM) for nonlinear transmission in optical fiber communication systems. The …

402.7-Tb/s MDM-WDM transmission over weakly coupled 10-mode fiber using rate-adaptive PS-16QAM signals

S Beppu, D Soma, S Sumita, Y Wakayama… - Journal of Lightwave …, 2020 - opg.optica.org
The mode-division-multiplexing (MDM) transmission technique using a few-mode fiber
(FMF) has been investigated to overcome the theoretical limitation of the transmission …

Coupled transceiver-fiber nonlinearity compensation based on machine learning for probabilistic shaping system

TT Nguyen, T Zhang, E Giacoumidis, AAI Ali… - Journal of Lightwave …, 2021 - opg.optica.org
In this article, we experimentally demonstrate the combined benefit of artificial neural
network-based nonlinearity compensation and probabilistic shaping for the first time. We …