A review–unguided optical communications: Developments, technology evolution, and challenges

AAB Raj, P Krishnan, U Darusalam, G Kaddoum… - Electronics, 2023 - mdpi.com
This review paper discusses the complete evolution of free-space optical (FSO)
communication, also known as unguided optical communication (UOC) technologies, all the …

Performance analysis of 320 Gbps DWDM—FSO system under the effect of different atmospheric conditions

A Sharma, S Kaur, S Chaudhary - Optical and Quantum Electronics, 2021 - Springer
The last decade has witnessed significant growth of optical communication systems due to
low attenuation offered for longer distances with high capacities. Optical wireless …

FSO systems for next generation networks: A review, techniques and challenges

D Sharma, A Tripathi, M Kumari - Journal of Optical Communications, 2022 - degruyter.com
Free space optics (FSO) is considered among the emerging technological innovations which
are currently being utilized to supersede radio frequency (RF) communication because of its …

A high-speed radio over free space optics transmission link under dust environment conditions employing hybrid wavelength-and mode-division multiplexing

M Singh, SN Pottoo, Suvidhi, V Soi, A Grover, MH Aly - Wireless Networks, 2021 - Springer
The increasing demand for high-speed information transmission as a result of adoption of
wide variety of multimedia applications including high-definition television, social …

4× 20 Gbps-60 GHz hybrid RoF-FSO transmission link for last mile connectivity

A Sood, R Kaushik - Journal of Optics, 2024 - Springer
A dual multiplexed system using hybrid radio over fiber—free space optics (RoF-FSO) link
using mode division multiplexing (MDM) and wavelength division multiplexing (WDM) is …

Investigations on hybrid wavelength-mode-orthogonal frequency-division multiplexing scheme based free space optical transmission system under varying …

D Joseph, A Karthikeyan, PG Kuppusamy… - Optical and Quantum …, 2022 - Springer
Present day requirements of secure transportation of sensitive information at high speed and
large bandwidth networks has resulted in the emergence of Free space optical (FSO) …

Performance investigation of 1.5 Tb/s optical hybrid 2D-OCDMA/OFDM system using direct spectral detection based on successive weight encoding algorithm

M Rahmani, A Cherifi, GN Sabri, MI Al-Rayif… - Optics & Laser …, 2024 - Elsevier
In order to raise the performance of optical communication systems, it is imperative mainly to
increase the number of available users while decreasing the bit error rate (BER) in the …

4× 20 Gbps OFDM based RoFSO transmission using hybrid SCM-MDM under different turbulence conditions

A Sood, R Kaushik - Advances in Electrical and Electronic …, 2023 - advances.vsb.cz
A bandwidth efficient Orthogonal Frequency-Division Multiplexing-Radio over Free Space
Optics (OFDM-RoFSO) system based on 2-level multiplexing with SCM and MDM domain is …

[HTML][HTML] Mode division multiplexing free space optics system with 3D hybrid modulation under dust and fog

M Singh, SN Pottoo, MH Aly, Š Hubálovský… - Alexandria Engineering …, 2023 - Elsevier
Mode division multiplexing (MDM) is an emerging information transmission technique in
which multiple data signals can be transmitted simultaneously on different modes of a single …

Performance analysis of a hybrid optical amplifier based 480-Gbps DWDM-FSO system under the effect of different atmospheric conditions

HM Obaid, S Ashraf, M Asgher Nadeem… - Frontiers in Computer …, 2024 - frontiersin.org
Free space optical (FSO) systems offer a desirable and affordable way of providing
communication services in remote locations. They provide secure wireless transmission …