Inter-Channel Interference Cancellation for Long-Haul Superchannel System

Z He, K Vijayan, A Mirani, M Karlsson… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
Optical frequency combs enable superchannel systems with dense channel spacing by
providing equally-spaced lines to overcome the relative frequency drifts of free-running …

FlexWAN: Software Hardware Co-design for Cost-Effective and Resilient Optical Backbones

C Miao, Z Zhong, Y Zhang, K He, F Li, M Chen… - Proceedings of the …, 2023 - dl.acm.org
The rising demand for WAN capacity driven by the rapid growth of inter-data center traffic
poses new challenges for costly optical networks. Today cloud providers rely on fixed optical …

Impact of the band upgrade sequence on the capacity and capital expenditure of multi-band optical networks

N Guo, K Zhang, Y Li, N Deng… - Journal of Optical …, 2023 - ieeexplore.ieee.org
Multi-band transmission over existing fibers would be a key strategy for ongoing capacity
expansion even though upgrading from the conventional C band to multi-band, such as the …

Nonlinearity mitigation in a fiber-wireless integrated system based on low-complexity autoencoder and BiLSTM-ANN equalizer

X Liu, J Zhang, M Zhu, W Tong, Z Xin, Y Wang, M Lei… - Optics …, 2023 - opg.optica.org
We propose and experimentally demonstrate an intelligent nonlinear compensation method
using a stacked autoencoder (SAE) model in conjunction with principal component analysis …

Simplified Look-Up Table (LUT) Based Digital Pre-Distortion for 100 GBaud/λ PAM-4 Transmission

Y Tu, M Xiang, W Cheng, H Yang… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
Look-up table (LUT) is an efficient digital pre-distortion (DPD) technique at the transmitter
side (Tx) to mitigate the pattern-dependent impairment arising in the intensity-modulation …

Aggressive look-up table compression by principal component analysis for digital pre-distortion in optical communication

H Jiang, M Fu, X Zeng, X Liu, H Lun, L Yi… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
In this paper, we propose to reduce the size of look-up table (LUT) for digital pre-distortion in
optical communication using principal component analysis (PCA). In this scheme, the full …

Sample-Based Neural Network Pre-Distorter for Transceiver Nonlinearity Compensation in IM/DD System

Z Chen, W Wang, D Zou, W Ni, M Yin… - Journal of Lightwave …, 2024 - opg.optica.org
Look-up table (LUT) enabled digital pre-distortion (DPD) is an effective means of nonlinear
compensation. However, considering the storage requirement and feasibility of training …

12.2 bit/s/Hz C-band Transmission with High-Gain Low-Complexity 24-Dimensional Geometric Shaping

Z He, S Li, E Deriushkina, P Andrekson… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Multidimensional (MD) modulation formats enable a larger minimum Euclidean distance
than conventional two-dimensional formats. As a structured geometric shaping method, MD …

Adaptive-memory-length look-up table (LUT)-based digital pre-distortion for IM/DD underwater wireless optical communications

Y Zhou, J Zhang, C Lu, Z Ghassemlooy, C Guo - Optics Express, 2024 - opg.optica.org
A digital pre-distortion (DPD) scheme based on an adaptive-memory-length look-up table
(AML-LUT) is proposed and experimentally demonstrated in a four-level pulse amplitude …

Low-complexity PDLUT based on symmetry and unification for high-order modulation format

J Ke, H Li, Y Khalil, Y Hao, X Tang… - … Conference on Optical …, 2023 - ieeexplore.ieee.org
Low-complexity PDLUT based on symmetry and unification for high-order modulation
format Page 1 Low-Complexity PDLUT Based on Symmetry and Unification for High-Order …