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Free Space Optics (FSO) communication provides attractive bandwidth enhancement with unlicensed bands worldwide spectrum. However, the link capacity and availability are the major concern in the different atmospheric conditions. The…

Signal Processing · Electrical Eng. & Systems 2023-10-23 Gebrehiwet Gebrekrstos Lema

Optical wireless communication (OWC) covering an ultra-wide range of unlicensed spectrum has emerged as an extent efficient solution to mitigate conventional RF spectrum scarcity ranging from communication distances from nm to several…

Information Theory · Computer Science 2020-12-02 Abu Jahid , Mohammed H. Alsharif , Trevor J. Hall

Atmospheric clearness is a key issue for free space optical communications (FSO). We present the first active method to achieve FSO through clouds and fog, using ultrashort high intensity laser filaments. The laser filaments…

Numerous researchers have studied innovations in future sixth-generation (6G) wireless communications. Indeed, a critical issue that has emerged is to contend with society's insatiable demand for high data rates and massive 6G connectivity.…

Signal Processing · Electrical Eng. & Systems 2022-11-28 Hong-Bae Jeon , Soo-Min Kim , Hyung-Joo Moon , Do-Hoon Kwon , Joon-Woo Lee , Jong-Moon Chung , Sang-Kook Han , Chan-Byoung Chae , Mohamed-Slim Alouini

Free-space optical (FSO) communications has the potential to revolutionize wireless communications due to its advantages of inherent security, high-directionality, high available bandwidth and small physical footprint. The effects of…

Signal Processing · Electrical Eng. & Systems 2021-01-22 Benjamin P. Dix-Matthews , David R. Gozzard , Skevos F. E. Karpathakis , Charles T. Gravestock , Sascha W. Schediwy

In recent years, free space optical (FSO) communication has gained significant importance owing to its unique features: large bandwidth, license free spectrum, high data rate, easy and quick deployability, less power and low mass…

Information Theory · Computer Science 2015-06-17 Hemani Kaushal , Georges Kaddoum

Free space optical (FSO) communication channels are typically used to transmit high-speed data between sites over the air. Here we repurpose an FSO digital communication system and use it directly for two-way time transfer. We demonstrate…

Instrumentation and Detectors · Physics 2018-08-22 Isaac Khader , Hugo Bergeron , Laura C. Sinclair , William C. Swann , Nathan R. Newbury , Jean-Daniel Deschênes

Progress in optical wireless communication (OWC) has unleashed the potential to transmit data in an ultra-fast manner without incurring large investments and bulk infrastructure. OWC includes wireless data transmissions in three optical…

Free-space optical (FSO) communication requires light of sight (LoS) between the transmitter and the receiver. For long-distance communication, many research projects have been conducted towards using a network composed of high-altitude…

Networking and Internet Architecture · Computer Science 2023-01-23 Dieu Linh Truong , The Ngoc Dang

Terrestrial free-space optical (FSO) links are an ideal candidate to extend the bandwidth continuum offered by fiber networks, yet at the expense of unfavorable cost credentials due to highly complex opto-mechanical setups. As a response to…

Optics · Physics 2025-03-24 Florian Honz , Bernhard Schrenk

Free space optical (FSO) communication refers to the information transmission technology based on the propagation of optical signals in space. FSO communication requires that the transmitter and receiver directly see each other.…

Networking and Internet Architecture · Computer Science 2023-01-20 Dieu Linh Truong , Xuan Vuong Dang , The Ngoc Dang

Free Space Optics (FSO) is a developing technology for Line of Sight communication that uses light propagation in free space that provides various advantages like high bandwidth, high data rate, ease of installation, free licensing and…

Signal Processing · Electrical Eng. & Systems 2020-09-18 Saumya Borwankar , Dhruv Shah

In recent years, free space optical communication has gained significant importance owing to its unique features: large bandwidth, license-free spectrum, high data rate, easy and quick deployability, less power and low mass requirements.…

Information Theory · Computer Science 2017-05-31 Hemani Kaushal , Georges Kaddoum

Free-space optic (FSO) is a promising solution to provide broadband Internet access for high-speed trains (HSTs). Besides, reconfigurable intelligent surfaces (RIS) are considered as hardware technology to improve performance of optical…

Information Theory · Computer Science 2022-11-23 Pouya Agheli , Hamzeh Beyranvand , Mohammad Javad Emadi

Hybrid terrestrial-satellite (HTS) communication systems have gained a tremendous amount of interest recently due to the high demand for global high data rates. Conventional satellite communications operate in the conventional Ku (12 GHz)…

Information Theory · Computer Science 2020-03-30 Elmehdi Illi , Faissal El Bouanani , Fouad Ayoub , Mohamed-Slim Alouini

Free space optics (FSO) refers to optical wireless communications in outdoor environments. The aim of this paper is to analyze the role that FSO is envisaged to play in the creation of next-generation satellite networks. To begin with, the…

Signal Processing · Electrical Eng. & Systems 2020-10-08 Aizaz U. Chaudhry , Halim Yanikomeroglu

We present a quantum-correlation-based free-space optical(FSO) link over 250 m using an outdoor active reflector 125 m from the transceiver station. The performance of free-space optical communication can be significantly degraded by…

Quantum Physics · Physics 2022-07-27 Dongkyu Kim , Dohoon Lim , Kyungdeuk Park , Yong Sup Ihn

Recently, free-space optical (FSO) communication systems have obtained a wide range of applications for communications between unmanned aerial vehicles (UAVs) because they offer several advantages with respect to the traditional RF…

Signal Processing · Electrical Eng. & Systems 2021-06-30 Mohammad Taghi Dabiri , Seyed Mohammad Sajad Sadough , Himan Savojbolaghchi

Free space optics (FSO) is a promising solution for the need to very high data rate point-to point communication. FSO communication technology became popular due to its large bandwidth potential, unlicensed spectrum, excellent security and…

Optics · Physics 2012-03-15 Bobby Barua , Tanzia Afrin Haque , Md. Rezwan Islam

Phase-coherent transfer of optical frequencies over a long distance is required for diverse photonic applications, including optical clock signal dissemination and physical constants measurement. Several demonstrations have been made…

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