C-band 120-Gb/s PAM-4 transmission over 50-km SSMF with improved weighted decision-feedback equalizer

J Zhang, X Wu, L Sun, J Liu, APT Lau, C Guo, S Yu… - Optics …, 2021 - opg.optica.org
An improved weighted decision-feedback equalizer (IWDFE) is adopted and experimentally
demonstrated to mitigate chromatic dispersion (CD) induced power fading for C-band four …

Performance and complexity analysis of conventional and deep learning equalizers for the high-speed IMDD PON

L Huang, Y Xu, W Jiang, L Xue… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
To accommodate the exponential growth of network services in the five-generation (5G) and
beyond wireless system, 50 Gb/s/λ passive optical network (PON) is developed for mobile …

C-band 100-GBaud PS-PAM-4 transmission over 50-km SSMF enabled by FIR-filter-based pre-electronic dispersion compensation

X Wu, J Zhang, APT Lau, C Lu - Optics Express, 2023 - opg.optica.org
Chromatic dispersion (CD) is always an obstacle to C-band high-speed intensity modulation
and direct detection (IM/DD) transmissions, especially with a fiber reach of> 20 km. To reach …

Adaptive intensity transformation-based phase retrieval with high accuracy and fast convergence

M Xiang, P Zhou, B Ye, S Fu, O Xu, J Li, D Peng… - Optics Letters, 2021 - opg.optica.org
Phase-retrieval (PR) receivers can reconstruct complex-valued signals from two de-
correlated intensity measurements, without the assistance of any optical carriers. However …

Weighted decision enabled phase retrieval receiver with adaptive intensity transformation

P Zhou, M Xiang, W Cheng, Y Ma, R Wu… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
Phase-retrieval (PR) receivers can reconstruct complex-valued signals from two de-
correlated intensity measurements by the use of iterative PR algorithm, without the …

Automatic optimization of volterra equalizer with deep reinforcement learning for intensity-modulated direct-detection optical communications

Y Xu, L Huang, W Jiang, L Xue, W Hu… - Journal of Lightwave …, 2022 - opg.optica.org
Volterra nonlinear equalizer (VNLE) is widely investigated for linear and nonlinear
distortions compensation in optical communication systems. Despite the powerful …

Improved weighted Volterra DFE for C-band 100-Gbit/s PAM-4 transmission over 60-km SSMF

J Zhang, H Tan, X Hong, X Wu, C Fei… - IEEE Photonics …, 2022 - ieeexplore.ieee.org
To cope with the nonlinear distortions and the chromatic dispersion (CD) induced power
fading in double-side band (DSB) intensity modulation and direct detection (IM/DD) …

Multi-rate Nyquist-SCM for C-band 100 Gbit/s signal over 50 km dispersion-uncompensated link

H Wang, J Zhou, J Wei, D Guo, Y Feng… - Journal of Lightwave …, 2022 - opg.optica.org
In this paper, to the best of our knowledge, we propose the first multi-rate Nyquist-
subcarriers modulation (SCM) for C-band 100 Gbit/s signal transmission over 50 km …

Processing for dispersive intensity-modulation and direct-detection fiber-optic communications

J Zhou, H Wang, Y Feng, W Liu, S Gao, C Yu, Z Li - Optics Letters, 2021 - opg.optica.org
In intensity-modulation and direct-detection (IM/DD) fiber-optic communications, it is hard to
pre-or post-compensate for chromatic dispersion (CD) by digital signal processing due to …

[HTML][HTML] Research Progress on Carrier-Free Phase-Retrieval Receivers

Y Ma, M Xiang, X Gan, C Wei, W Cheng, G Zhou, J Li… - Photonics, 2024 - mdpi.com
In order to deal with the chromatic dispersion-induced power fading issue for short-reach
direct-detection optical fiber communication applications, such as the ever-increasing data …