Fiber-optic transmission and networking: the previous 20 and the next 20 years

PJ Winzer, DT Neilson, AR Chraplyvy - Optics express, 2018 - opg.optica.org
Celebrating the 20^ th anniversary of Optics Express, this paper reviews the evolution of
optical fiber communication systems, and through a look at the previous 20 years attempts to …

Coherent free-space optical communications: Opportunities and challenges

FP Guiomar, MA Fernandes, JL Nascimento… - Journal of Lightwave …, 2022 - opg.optica.org
The ever-increasing data rate demand for wireless systems is pushing the physical limits of
standalone radio-frequency communications, thus fostering the blooming of novel high …

Probabilistic constellation shaping for optical fiber communications

J Cho, PJ Winzer - Journal of Lightwave Technology, 2019 - opg.optica.org
We review probabilistic constellation shaping (PCS), which has been a key enabler for
several recent record-setting optical fiber communications experiments. PCS provides both …

Optical fibre capacity optimisation via continuous bandwidth amplification and geometric shaping

L Galdino, A Edwards, W Yi, E Sillekens… - IEEE Photonics …, 2020 - ieeexplore.ieee.org
The maximum data throughput in a single mode optical fibre is a function of both the signal
bandwidth and the wavelength-dependent signal-to-noise ratio (SNR). In this paper, we …

High-cardinality geometrical constellation shaping for the nonlinear fibre channel

E Sillekens, G Liga, D Lavery… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
This paper presents design methods for highly efficient optimisation of geometrically shaped
constellations to maximise data throughput in optical communications. It describes methods …

Geometric constellation shaping for fiber-optic channels via end-to-end learning

O Jovanovic, F Da Ros, D Zibar… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
End-to-end learning has become a popular method to optimize a constellation shape of a
communication system. When the channel model is differentiable, end-to-end learning can …

Geometrically-shaped multi-dimensional modulation formats in coherent optical transmission systems

B Chen, Y Lei, G Liga, Z Liang, W Ling… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Shaping 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 …

Free-space terabit optical interconnects

MA Fernandes, PP Monteiro… - Journal of Lightwave …, 2022 - opg.optica.org
The continuous growth of Internet data traffic is progressively increasing the pressure over
wireless access technologies. To overcome the imminent bandwidth bottleneck, free-space …

Adaptive probabilistic shaped modulation for high-capacity free-space optical links

FP Guiomar, A Lorences-Riesgo, D Ranzal… - Journal of Lightwave …, 2020 - opg.optica.org
Infrared free-space optics (FSO) provide an attractive solution for ultra-high-capacity
wireless communications. However, the full potential of FSO is still being hindered by the …

End-to-end deep learning for long-haul fiber transmission using differentiable surrogate channel

Z Niu, H Yang, H Zhao, C Dai, W Hu… - Journal of Lightwave …, 2022 - opg.optica.org
Recently, end-to-end deep learning (E2EDL) has been proposed for communication
systems to improve the overall performance of systems. In the domain of optical fiber …