Time domain equalization and digital backpropagation method‐based receiver for fiber optic communication systems

F Muhammad, F Ali, U Habib, M Usman… - … Journal of Optics, 2020 - Wiley Online Library
… A simple low-complexity receiver design for the FOCS is … of the phase dithering technique
with a digital filter to reduce the … is the use of the digital back-propagation technique to further …

Deep learning based digital backpropagation demonstrating SNR gain at low complexity in a 1200 km transmission link

BI Bitachon, A Ghazisaeidi, M Eppenberger… - Optics …, 2020 - opg.optica.org
… today’s long-haul, high-capacity coherent transmission systems. They mitigate the … method
for dispersion and nonlinear compensation in fiber networks via deep learning based digital

Imbalanced digital back-propagation for nonlinear optical fiber transmissions

X Yi, X Huang, J Zhang, B Xu, F Li, Z Li - Journal of Lightwave …, 2021 - opg.optica.org
… functions and field operation of the transmission system, which is beyond the scope of this
… , “Reduced complexity digital back-propagation methods for optical communication systems,…

Digital back-propagation optimization for high-baudrate single-channel optical fiber transmissions

NV Dien, LT Son, NV Tuan, HP Tien, NDN Vien… - … Communications, 2021 - Elsevier
… Therefore, the proposed technique brings an efficient method to improve the performance
of high-baudrate transmission systems while maintaining a low level of complexity for DBP. …

Perturbation theory-aided learned digital back-propagation scheme for optical fiber nonlinearity compensation

X Lin, S Luo, SKO Soman, OA Dobre… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
optical fiber communication system operating at 32 Gbaud with 64-quadrature amplitude
modulation and 20 × 80 km transmission … two methods to reduce the overall complexity of PA-…

Time-domain learned digital back-propagation

E Sillekens, W Yi, D Semrau, A Ottino… - … Processing Systems …, 2020 - ieeexplore.ieee.org
… To reduce complexity, both dispersion and nonlinearity could be … tal back-propagation. Our
experiment concentrates on wideband multi-channel long-haul optical transmission systems. …

Blind back-propagation method for fiber nonlinearity compensation with low computational complexity and high performance

J Zhou, Y Wang, Y Zhang - Optics express, 2020 - opg.optica.org
… blind back-propagation (BP) method for fiber nonlinearity compensation with low computational
complexity … to further boost the transmission capacity of the fiber communication system, …

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 …, 2022 - opg.optica.org
… capacity of long-distance optical fiber communication. Digital back-propagation (DBP) is a
… Our results suggest emerging low-complexity neural network-based nonlinear equalization …

Physics-based deep learning for fiber-optic communication systems

C Häger, HD Pfister - … on Selected Areas in Communications, 2020 - ieeexplore.ieee.org
less complex) algorithms through data-driven optimization [7]. More generally, one can treat
the entire design of a communication system … simplified digital back-propagation algorithm,” …

Reducing computational complexity of neural networks in optical channel equalization: From concepts to implementation

PJ Freire, A Napoli, B Spinnler… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
… high-speed coherent optical transmission systems. We present a … By employing optimal
compression techniques, we … the performance of conventional digital back-propagation (DBP) …