Machine-learning-based telemetry for monitoring long-haul optical transmission impairments: methodologies and challenges

H Lun, X Liu, M Cai, Y Zhang, R Gao, W Hu… - Journal of Optical …, 2021 - opg.optica.org
Current management of optical communication systems is conservative, manual-based, and
time-consuming. To improve this situation, building an intelligent closed-loop control system …

A Parametric Network for the Global Compensation of Physical Layer Linear Impairments in Coherent Optical Communications

A Frunză, V Choqueuse, P Morel… - IEEE Open Journal of …, 2022 - ieeexplore.ieee.org
This paper proposes a parametric network for the joint compensation of multiple linear
impairments in coherent optical communication systems. The considered linear impairments …

Global estimation and compensation of linear effects in coherent optical systems based on nonlinear least squares

A Frunza, V Choqueuse, P Morel… - IEEE Systems Journal, 2021 - ieeexplore.ieee.org
This article proposes a new estimation and compensation approach to mitigate several
linear and widely linear effects in coherent optical systems using digital signal processing …

Experimental Comparison of Carrier Phase Recovery Algorithms for Uniform and Probabilistically Shaped QAM in a 324.1 Gb/S Fiber-mm-Wave Integration System at …

J Zhang, J Zhang, Q Wang, J Chen, W Luo, S Xiang… - Photonics, 2023 - mdpi.com
We have experimentally implemented a photonics-aided large-capacity fiber-mm-wave
wireless communication system employing a simple dual-polarized single-input single …

System impact and calibration method of power imbalances for a dual-polarization in-phase/quadrature optical transmitter

SA Li, R Zhang, Z Pan, Y Yue - Optics Express, 2022 - opg.optica.org
For the latest 400-Gb/s or upcoming 1-Tb/s single-carrier optical fiber communications
systems, dual-polarization quadrature amplitude modulation (DP-QAM) based on in-phase …

Modified widely linear filter for simultaneous multi-impairment compensation

R Yadav, LN Venkatasubramani… - CLEO: Science and …, 2021 - opg.optica.org
Modified Widely Linear Filter for Simultaneous Multi-impairment Compensation Page 1
Capacity scaling in optical communication is realized by employing higher-order modulation …

Widely linear filtering for multiimpairment compensation in dispersion managed mqam modulated optical systems

R Yadav, LN Venkatasubramani, RD Koilpillai… - IEEE …, 2022 - ieeexplore.ieee.org
We propose a blind joint equalization algorithm for M-QAM signals based on a widely linear
filtering approach. The proposed scheme jointly compensates for receiver IQ imbalance …

Coded Modulation and Impairment Compensation Techniques in Optical Fiber Communication

Z Li, D Guo, R Gao - Fiber Optics-Technology and Applications, 2021 - books.google.com
This chapter deals with coded modulation and impairment compensation techniques in
optical fiber communication. Probabilistic shaping is a new coded modulation technology …

Widely Linear Filtering for Multi-Impairment Compensation in Coherent Optical Systems

R Yadav, LN Venkatasubramani, RD Koilpillai… - Authorea …, 2023 - techrxiv.org
We propose a blind joint equalization algorithm for M-QAM signals based on a widely linear
filtering approach. The proposed scheme jointly compensates receiver IQ imbalance and …

Performance monitoring and adaptative compensation of system impaiments for high-speed coherent optical multicarrier communication

AI Frunza - 2022 - theses.hal.science
There is a growing demand for high data rate communications driven by emerging
technologies as 5G and the Internet of Things. Coherent optical communications are thought …