Constellation shaping for WDM systems using 256QAM/1024QAM with probabilistic optimization
In this paper, probabilistic shaping is numerically and experimentally investigated for
increasing the transmission reach of wavelength division multiplexed (WDM) optical …
increasing the transmission reach of wavelength division multiplexed (WDM) optical …
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 …
A shaping algorithm for mitigating inter-channel nonlinear phase-noise in nonlinear fiber systems
We propose a practical shaping algorithm for mitigating the effect of nonlinear phase-noise
in fiber-optic transmission. The proposed scheme is most beneficial in single-span fiber …
in fiber-optic transmission. The proposed scheme is most beneficial in single-span fiber …
On the nonlinear shaping gain with probabilistic shaping and carrier phase recovery
The performance of different probabilistic amplitude shaping (PAS) techniques in the
nonlinear regime is investigated, highlighting its dependence on the PAS block length and …
nonlinear regime is investigated, highlighting its dependence on the PAS block length and …
Characterization and optimization of a high-efficiency AlGaAs-on-insulator-based wavelength converter for 64-and 256-QAM signals
In this paper, we demonstrate wavelength conversion of advanced modulation formats such
as 10-GBd 64-QAM and 256-QAM with high conversion efficiency over a 29-nm spectral …
as 10-GBd 64-QAM and 256-QAM with high conversion efficiency over a 29-nm spectral …
Interplay of probabilistic shaping and carrier phase recovery for nonlinearity mitigation
S Civelli, E Forestieri… - … European Conference on …, 2020 - ieeexplore.ieee.org
The interaction between carrier phase recovery and probabilistic amplitude shaping (PAS)
in the nonlinear regime is investigated. We show that, for sufficiently high signal-to-noise …
in the nonlinear regime is investigated. We show that, for sufficiently high signal-to-noise …
Nonlinearity mitigation in WDM systems: Models, strategies, and achievable rates
M Secondini, E Agrell, E Forestieri… - Journal of Lightwave …, 2019 - opg.optica.org
After reviewing models and mitigation strategies for interchannel nonlinear interference
(NLI), we study its characteristics and coherence properties. Based on this study, we devise …
(NLI), we study its characteristics and coherence properties. Based on this study, we devise …
Fiber nonlinearity and optical system performance
This chapter aims to provide a comprehensive picture of the impact of fiber nonlinear effects
on modern coherent wavelength division multiplexing (WDM) systems' performance. First …
on modern coherent wavelength division multiplexing (WDM) systems' performance. First …
Non-linear phase noise mitigation over systems using constellation shaping
This paper presents a modified soft-decoding strategy, which improves performance in the
presence of strong phase noise. This can substantially increase the reach of systems that …
presence of strong phase noise. This can substantially increase the reach of systems that …
Probabilistic shaping for the optical phase conjugation channel
Probabilistic constellation shaping is studied and developed for optical phase conjugation
(OPC)-based nonlinearity compensation of Kerr nonlinearities in optical fiber links. The mid …
(OPC)-based nonlinearity compensation of Kerr nonlinearities in optical fiber links. The mid …