Nonlinear Fourier transform for optical data processing and transmission: advances and perspectives
Fiber-optic communication systems are nowadays facing serious challenges due to the fast
growing demand on capacity from various new applications and services. It is now well …
growing demand on capacity from various new applications and services. It is now well …
Distributed Raman amplification for fiber nonlinearity compensation in a mid-link optical phase conjugation system
In this paper, we review different designs of distributed Raman amplifiers which have been
proposed to minimize the signal power profile asymmetry in mid-link optical phase …
proposed to minimize the signal power profile asymmetry in mid-link optical phase …
Nonlinear signal multiplexing for communication beyond the Kerr nonlinearity limit
Current optical fibre transmission systems rely on modulation, coding and multiplexing
techniques that were originally developed for linear communication channels. However …
techniques that were originally developed for linear communication channels. However …
Performance limits in optical communications due to fiber nonlinearity
In this paper, we review the historical evolution of predictions of the performance of optical
communication systems. We will describe how such predictions were made from the outset …
communication systems. We will describe how such predictions were made from the outset …
Digital longitudinal monitoring of optical fiber communication link
T Sasai, M Nakamura, E Yamazaki… - Journal of Lightwave …, 2021 - opg.optica.org
Optical transmission links are generally composed of optical fibers, optical amplifiers, and
optical filters. In this paper, we present a channel reconstruction method (CRM) that extracts …
optical filters. In this paper, we present a channel reconstruction method (CRM) that extracts …
Performance and complexity analysis of bi-directional recurrent neural network models versus volterra nonlinear equalizers in digital coherent systems
S Deligiannidis, C Mesaritakis… - Journal of Lightwave …, 2021 - opg.optica.org
We investigate the complexity and performance of recurrent neural network (RNN) models
as post-processing units for the compensation of fibre nonlinearities in digital coherent …
as post-processing units for the compensation of fibre nonlinearities in digital coherent …
Ultralow complexity long short-term memory network for fiber nonlinearity mitigation in coherent optical communication systems
H Ming, X Chen, X Fang, L Zhang, C Li… - Journal of Lightwave …, 2021 - opg.optica.org
Fiber Kerr nonlinearity is a fundamental limitation to the achievable capacity of long-distance
optical fiber communication. Digital back-propagation (DBP) is a primary methodology to …
optical fiber communication. Digital back-propagation (DBP) is a primary methodology to …
4 Tb/s transmission reach enhancement using 10× 400 Gb/s super-channels and polarization insensitive dual band optical phase conjugation
In this paper, we experimentally demonstrate the benefit of polarization insensitive dual-
band optical phase conjugation for up to ten 400 Gb/s optical super-channels using a …
band optical phase conjugation for up to ten 400 Gb/s optical super-channels using a …
Transmission performance improvement using random DFB laser based Raman amplification and bidirectional second-order pumping
We demonstrate that a distributed Raman amplification scheme based on random
distributed feedback (DFB) fiber laser enables bidirectional second-order Raman pumping …
distributed feedback (DFB) fiber laser enables bidirectional second-order Raman pumping …
Nonlinear inverse synthesis technique for optical links with lumped amplification
The nonlinear inverse synthesis (NIS) method, in which information is encoded directly onto
the continuous part of the nonlinear signal spectrum, has been proposed recently as a …
the continuous part of the nonlinear signal spectrum, has been proposed recently as a …