Free space optics: current applications and future challenges

A Malik, P Singh - International journal of optics, 2015 - Wiley Online Library
FSO is a communication system where free space acts as medium between transceivers
and they should be in LOS for successful transmission of optical signal. Medium can be air …

From mirrors to free-space optical communication—historical aspects in data transmission

M Garlinska, A Pregowska, K Masztalerz, M Osial - Future Internet, 2020 - mdpi.com
Fast communication is of high importance. Recently, increased data demand and crowded
radio frequency spectrum have become crucial issues. Free-Space Optical Communication …

A survey of free space optics (FSO) communication systems, links, and networks

SA Al-Gailani, MFM Salleh, AA Salem… - IEEE …, 2020 - ieeexplore.ieee.org
The next generation (NG) optical technologies will unveil certain unique features, namely
ultra-high data rate, broadband multiple services, scalable bandwidth, and flexible …

Tbit/s line-rate satellite feeder links enabled by coherent modulation and full-adaptive optics

Y Horst, BI Bitachon, L Kulmer, J Brun… - Light: Science & …, 2023 - nature.com
Free-space optical (FSO) communication technologies constitute a solution to cope with the
bandwidth demand of future satellite-ground networks. They may overcome the RF …

Wireless and optical convergent access technologies toward 6G

HRD Filgueiras, ES Lima, MSB Cunha… - IEEE …, 2023 - ieeexplore.ieee.org
The sixth generation of mobile communication (6G) systems is recently rising a lot of interest,
introducing new futuristic and challenging use cases that will demand much more than just …

Ultra-high capacity long-haul PDM-16-QAM-based WDM-FSO transmission system using coherent detection and digital signal processing

P Sivakumar, CS Boopathi, MG Sumithra… - Optical and Quantum …, 2020 - Springer
The ever-increasing demand for wide channel bandwidth, high-speed information, and
spectral-efficient communication links with advanced modulation schemes has led to the …

A high-speed radio-over-free-space optics link using wavelength division multiplexing-mode division multiplexing-multibeam technique

M Balasaraswathi, M Singh, J Malhotra… - Computers & Electrical …, 2020 - Elsevier
Abstract Radio-over-Free-Space Optics (RoFSO) is a key technology for providing high-
speed communication links in rural areas. In this work, an orthogonal frequency division …

Performance of 120 Gbps single channel coherent DP-16-QAM in terrestrial FSO link under different weather conditions

D Kakati, SC Arya - Optik, 2019 - Elsevier
The performance of a 120 Gbps single-carrier coherent transceiver system is evaluated in a
terrestrial Free Space Optical Link (FSOL) under the haze, rain, and fog weather conditions …

Enhanced performance of the 4× 20 Gbit/s-40 GHz OFDM-based RoFSO transmission link incorporating WDM-MDM of Hermite Gaussian and Laguerre Gaussian …

K Singh, M Singh, A Grover, R Miglani, H Singh… - Frontiers in …, 2022 - frontiersin.org
A 4× 20 Gbit/s-40 GHz orthogonal frequency-division multiplexing-based radio-on-free-
space optics information link, integrating hybrid wavelength-and mode-division multiplexed …

Hybrid FSO/fiber optic link based reliable & energy efficient WDM optical network architecture

AK Garg, V Janyani, B Batagelj, NHZ Abidin… - Optical Fiber …, 2021 - Elsevier
Nowadays, free space optics (FSO) is becoming popular and is very competitive to the fiber
optic technology for providing broadband services at very high data rates without the …