[HTML][HTML] Improved carrier phase recovery for high-capacity optical communication systems with high-order modulation formats

Y Zhang, T Liu, C Jin, T Xu, M Tan, J Zhao, T Xu - Optics Communications, 2024 - Elsevier
Abstract A modified Viterbi-Viterbi (MVV) carrier phase recovery (CPR) algorithm is
comprehensively studied based on the quadrature phase-shift-keying (QPSK) partition …

Kernel adaptive filtering-based phase noise compensation for pilot-free optical phase conjugated coherent systems

S Boscolo, TT Nguyen, AAI Ali, S Sygletos, AD Ellis - Optics Express, 2022 - opg.optica.org
We propose a kernel-based adaptive filtering method to suppress the phase noise (PN)
arising from small deviations from ideal counter-phasing in the dual-pump fibre-based …

Pilot-aided Pump Dithering Removal in Degenerate FWM-based Optical Phase Conjugation Systems with Higher-order QAM

J Yang, E Sillekens, R Sohanpal… - 2023 Optical Fiber …, 2023 - ieeexplore.ieee.org
Pilot-aided Pump Dithering Removal in Degenerate FWM-based Optical Phase Conjugation
Systems with Higher-order QAM Page 1 Pilot-aided Pump Dithering Removal in Degenerate …

Parameters for non-solitons in fiber and their impact on transmission performance over long distances

MMM Salih, SH Alrubaee, A Dheyab… - 2022 International …, 2022 - ieeexplore.ieee.org
One area of study that has gained popularity recently is communication technology. Due to
the exponential growth in data transfer rates, optical fibre communication (OFC) is the only …

Carrier phase recovery in optical fiber communication systems using high-order modulation formats

Y Zhang, T Xu, J Ding, Z Wang, T Xu… - … and Applications XI, 2021 - spiedigitallibrary.org
Nowadays, the coherent optical communication system plays an important role in
communication field because of large capability and bandwidth. A coherent optical …

Fiber optic pump power spectrum and performance loss compensatory compensating

HA Almaz - 2022 - openaccess.altinbas.edu.tr
In this study, we describe the latest developments in pump Raman amplifiers. The
optimization of wavelengths and powers in an optical fiber Raman amplifier is shown using …