Low complexity neural network equalization based on multi-symbol output technique for 200+ Gbps IM/DD short reach optical system

B Sang, W Zhou, Y Tan, M Kong, C Wang… - Journal of Lightwave …, 2022 - opg.optica.org
Nowadays, Neural network (NN) has been proved to be an effective solution for nonlinear
equalization in short reach optical systems. However, recent research has mainly focused …

Feedforward and recurrent neural network-based transfer learning for nonlinear equalization in short-reach optical links

Z Xu, C Sun, T Ji, JH Manton, W Shieh - Journal of Lightwave …, 2020 - opg.optica.org
Neural network (NN)-based nonlinear equalizers have been shown effective for various
types of short-reach direct detection systems. However, they work best for a certain channel …

Probabilistic neural network equalizer for nonlinear mitigation in OAM mode division multiplexed optical fiber communication

F Wang, R Gao, S Zhou, Z Li, Y Cui, H Chang… - Optics …, 2022 - opg.optica.org
Orbital angular momentum (OAM) mode-division multiplexing (MDM) is a key technique to
achieve ultra-high-capacity optical fiber communications. However, the high nonlinear …

Low-complexity multi-task learning aided neural networks for equalization in short-reach optical interconnects

Z Xu, S Dong, JH Manton, W Shieh - Journal of Lightwave …, 2022 - opg.optica.org
With the rapid development of machine learning technologies in recent years, different types
of neural network (NN)-based equalizers have been proposed and proved to be efficient …

[HTML][HTML] Advanced Neural Network-Based Equalization in Intensity-Modulated Direct-Detection Optical Systems: Current Status and Future Trends

Z Xu, T Ji, Q Wu, W Lu, H Ji, Y Yang, G Qiao, J Tang… - Photonics, 2024 - mdpi.com
Intensity-modulated direct-detection (IM/DD) optical systems are most widely employed in
short-reach optical interconnects due to their simple structure and cost-effectiveness …

Low-complexity recurrent neural network based equalizer with embedded parallelization for 100-Gbit/s/λ PON

X Huang, D Zhang, X Hu, C Ye… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
To meet the demand of emerging applications, such as fixed-mobile convergence for the fifth
generation of mobile networks and beyond, a 100-Gbit/s/λ access network becomes the next …

Recurrent neural networks achieving MLSE performance for optical channel equalization

SCK Kalla, C Gagne, M Zeng, LA Rusch - Optics Express, 2021 - opg.optica.org
We explore recurrent and feedforward neural networks to mitigate severe inter-symbol
interference (ISI) caused by bandlimited channels, such as high speed optical …

Computation efficient sparse DNN nonlinear equalization for IM/DD 112 Gbps PAM4 inter-data center optical interconnects

GS Yadav, CY Chuang, KM Feng, J Chen, YK Chen - Optics letters, 2021 - opg.optica.org
In this Letter, we propose and experimentally demonstrate a novel, to the best of our
knowledge, sparse deep neural network-based nonlinear equalizer (SDNN-NLE). By …

On the Expressivity of Recurrent Neural Cascades

NA Knorozova, A Ronca - Proceedings of the AAAI Conference on …, 2024 - ojs.aaai.org
Recurrent Neural Cascades (RNCs) are the recurrent neural networks with no cyclic
dependencies among recurrent neurons. This class of recurrent networks has received a lot …

Optical phase conjugation with complex-valued deep neural network for WDM 64-QAM coherent optical systems

L Wang, M Gao, Y Zhang, F Cao… - IEEE Photonics …, 2021 - ieeexplore.ieee.org
We experimentally demonstrated a photoelectric nonlinear compensation scheme of optical
phase conjugation (OPC) with complex-valued deep neural network (CVDNN) to mitigate …