Design of DWDM optical communication systems with different modulation formats using DCF and a repeater

DS Akram, HM Al-Tamimi - Applied Optics, 2023 - opg.optica.org
The dense wavelength division multiplexing (DWDM) technique has been used to provide a
large capacity and low bandwidth loss for optical communication systems. In this paper …

Performance analysis of mode division multiplexing-based free space optical systems for healthcare infrastructure's

C Zhang, P Liang, J Nebhen, S Chaudhary… - Optical and Quantum …, 2021 - Springer
Abstract Optical Wireless Communications (OWCs) can play vital role in providing
communication in healthcare infrastructure's, where contagious patients are admitted or …

[PDF][PDF] Design of ultra dense WDM optical communication system to reduce signal impairments using DCF and repeater techniques

DS Akram, HM AL-Tamimi - IRAQI JOURNAL OF COMPUTERS …, 2023 - iasj.net
Linear and non-linear impairments are the major problems that affected the dense
wavelength division multiplexing (DWDM) system performance. In this simulation designs …

Performance investigation of FSO transmission system based on combining MDM and PDM techniques

DH Hani, JK Hmood, EK Hamed - Journal of Optics, 2024 - Springer
In this study, we propose a potential solution by employing free space optical (FSO) system
based on combining polarization division multiplexing (PDM) with multimode division …

Proposal of PPM-RZ-mQAM scheme for suppressing nonlinear phase noise in high spectral ultra-DWDM system

AS Abdulzahrah, JK Hmood - Optical and Quantum Electronics, 2022 - Springer
In this paper, we propose combining a return-to-zero (RZ)-m-ary quadrature amplitude
modulation (mQAM) with pulse position modulation (PPM) in ultra-dense wavelength …

Wide and Deep Learning-Aided Nonlinear Equalizer for Coherent Optical Communication Systems

Z Jiang, X Liu, L Zhang - Photonics, 2024 - mdpi.com
In this study, we developed a wide and deep network-based nonlinear equalizer to
compensate for nonlinear impairment in coherent optical communication systems. In our …

The Effect of B-Integral on the Propagation of the Annular Array Airy Beam

C Tan, T Lei, M Zou, P Tang - Journal of Russian Laser Research, 2024 - Springer
The annular array Airy beam (AAAB) possesses excellent optical properties, and it exhibits
great potential in optical particle manipulation, light bullet, and so on. When the power of the …

Minimizing modes interaction based on time interleaving method in mode division multiplexing systems

EK Hamed, JK Hmood, MA Munshid - Optics Communications, 2021 - Elsevier
Efforts for higher transmission capacity have a significant attention in mode division
multiplexing (MDM) systems. However, modes interaction is the main issue that degrades …

Performance analysis of all-optical PPM-mQAM communication systems

AS Abdulzahrah, JK Hmood - Journal of Physics: Conference …, 2021 - iopscience.iop.org
Increasing the spectral efficiency of transmission has increased interests in hybrid optical
communication systems. However, these systems suffer from the nonlinear fiber impairments …

Reduction of Nonlinear Mode Coupling in Mode Division Multiplexing Systems Based on Wavelength Interleaving Method

EK Hamed, JK Hmood… - Journal of Physics …, 2021 - iopscience.iop.org
Mode division multiplexing (MDM) based few-mode fiber (FMF) transmission scheme is
considered as one of the promising choices when one trying to achieve high bit rates in …