Efficient resource allocation for all-optical multicasting over spectrum-sliced elastic optical networks

L Gong, X Zhou, X Liu, W Zhao, W Lu… - Journal of Optical …, 2013 - opg.optica.org
Recently, optical orthogonal frequency-division multiplexing technology has attracted
intensive research interest because spectrum-sliced elastic optical networks (EONs) can be …

Machine learning for optical fiber communication systems: An introduction and overview

JW Nevin, S Nallaperuma, NA Shevchenko, X Li… - Apl Photonics, 2021 - pubs.aip.org
Optical networks generate a vast amount of diagnostic, control, and performance monitoring
data. When information is extracted from these data, reconfigurable network elements and …

Adapting transmitter power and modulation format to improve optical network performance utilizing the Gaussian noise model of nonlinear impairments

DJ Ives, P Bayvel, SJ Savory - Journal of Lightwave Technology, 2014 - ieeexplore.ieee.org
This paper serves to highlight the gains in SNR margin and/or data capacity that can be
achieved through a proper optimization of the transceiver parameters, for example, launch …

Routing, modulation, spectrum and launch power assignment to maximize the traffic throughput of a nonlinear optical mesh network

DJ Ives, P Bayvel, SJ Savory - Photonic Network Communications, 2015 - Springer
We investigate the optimization of routing, modulation format adaptation, spectral and
launch power assignment as a means of improving the utilization of limited network …

Resource allocation for flexible-grid optical networks with nonlinear channel model

L Yan, E Agrell, H Wymeersch… - Journal of Optical …, 2015 - opg.optica.org
In this paper, we study the joint resource allocation in flexible-grid networks based on a
nonlinear physical layer impairment model. An optimization problem is formulated to assign …

Spectrum fragmentation issue in flexible optical networks: analysis and good practices

D Amar, E Le Rouzic, N Brochier, JL Auge… - Photonic Network …, 2015 - Springer
Flexible grid optical networks allow an efficient utilization of spectrum resources using 12.5-
GHz frequency slot multiples instead of a fixed spacing, introducing however spectrum …

Designing transparent flexible-grid optical networks for maximum spectral efficiency

J Pedro - Journal of Optical Communications and Networking, 2017 - opg.optica.org
Higher-order modulation formats and spectral super-channels are key to maximizing
spectral efficiency (SE) in next-generation optical transport networks, thereby …

Reinforcement learning for generalized parameter optimization in elastic optical networks

R Koch, S Kühl, RM Morais, B Spinnler… - Journal of Lightwave …, 2022 - opg.optica.org
Elastic Optical Networking enables efficient use of spectral resources at the cost of a large
parameter space which needs to be optimized to maximize transmission bandwidth. By …

Improving MDM–WDM optical network performance via optimized power allocation using Gaussian noise model

MA Amirabadi, SA Nezamalhosseini, MH Kahaei… - Optical Fiber …, 2023 - Elsevier
The few-mode fiber nonlinearity has been well modeled by an additive Gaussian Noise (GN)
source. The available GN models in Mode Division Multiplexing–Wavelength Division …

Quality of transmission estimator retraining for dynamic optimization in optical networks

A Mahajan, KK Christodoulopoulos… - Journal of Optical …, 2021 - opg.optica.org
Optical network optimization involves an algorithm and a physical layer model (PLM) to
estimate the quality of transmission of connections while examining candidate optimization …