Success journey of coherent PM-QPSK technique with its variants: a survey

D Sharma, YK Prajapati, R Tripathi - IETE Technical Review, 2020 - Taylor & Francis
Nowadays, public demands high capacity global internet traffic in terms of cloud computing,
video gaming, fiber to the home and mobile networks, etc. To fulfill such huge traffic …

High-performance end-to-end deep learning IM/DD link using optics-informed neural networks

I Roumpos, LD Marinis, M Kirtas, N Passalis, A Tefas… - Optics …, 2023 - opg.optica.org
In this paper, we introduce optics-informed Neural Networks and demonstrate
experimentally how they can improve performance of End-to-End deep learning models for …

Nonlinearity compensation and link margin analysis of 112-Gbps circular-polarization division multiplexed fiber optic communication system using a digital coherent …

AKMSJ Choyon, R Chowdhury - Journal of Optics, 2021 - Springer
Nonlinear effects have been considered as the major limitations in coherent optical (CO)
fiber transmission system. Digital signal processing (DSP)-based CO receiver with digital …

Combating fiber nonlinearity using dual-order Raman amplification and OPC

M Al-Khateeb, M Tan, T Zhang… - IEEE Photonics …, 2019 - ieeexplore.ieee.org
We experimentally demonstrate, for the first time, a significant 34-dB nonlinear product
power compensation in a mid-link optical phase conjugation (OPC) system using an …

[HTML][HTML] Concurrent M-QAM transmission performance assessment in a combined four SOA-MZIs arrangement

H Termos, A Mansour - Optics and Lasers in Engineering, 2024 - Elsevier
In this paper, the utilization of four semiconductor optical amplifier Mach-Zehnder
interferometers (SOA-MZIs) is explored to achieve concurrent M-QAM (M-ary Quadrature …

[PDF][PDF] Improvement and Mitigation of Kerr Effects on Multichannel‎ Communication Systems Using Efficient Optical Method

AHA Kareem, IA Murdas - Journal of University of Babylon for Engineering …, 2023 - iasj.net
This paper studies the generation of an optical mitigation method for compensation of
distortions in long distance fiber optic transmission caused by chromatic dispersion and the …

Performance comparison of different modulation formats for a 40 gbps hybrid optical CDMA/DWDM system against ISI and FWM

N Alsowaidi, T Eltaif, MR Mokhtar - Photonics, 2022 - mdpi.com
This paper carries out a numerical simulation investigating three different modulation
formats: carrier suppressed return to zero (CSRZ), modified duobinary return to zero (MDRZ) …

Impact of Equalization-Enhanced Phase Noise on Digital Nonlinearity Compensation in High-Capacity Optical Communication Systems

J Ding, T Xu, C Jin, Z Wang, J Zhao, T Liu - Sensors, 2020 - mdpi.com
Equalization-enhanced phase noise (EEPN) can severely degrade the performance of long-
haul optical fiber transmission systems. In this paper, the impact of EEPN in Nyquist-spaced …

Introducing γ-lifting for Learning Nonlinear Pulse Shaping in Coherent Optical Communication

T Uhlemann, A Span, S Doerner… - … Networks; 23th ITG …, 2022 - ieeexplore.ieee.org
Pulse shaping for coherent optical fiber communication has been an active area of research
for the past decade. Most of the early schemes are based on classic Nyquist pulse shaping …

Nonlinear impairment compensation in multi-channel communication systems based on correlated digital backpropagation with separation of walk-off effect

J Zhao, M Chang, Y Yang, X Wang, S Li, T Xu - Optical Fiber Technology, 2024 - Elsevier
Digital backpropagation (DBP) is a commonly used method to compensate for the nonlinear
impairments of optical fiber channels in the electrical domain, offering a new approach to …