Results 1 to 10 of about 3,401,762 (183)

Effect of side-mode suppression ratio on the performance of self-seeded gain-switched optical pulses in lightwave communications systems [PDF]

open access: green, 1999
The side-mode suppression ratio (SMSR) of self-seeded gain-switched optical pulses is shown to be an extremely important factor for the use of these pulses in optical communications systems.
Anandarajah, Prince M., Barry, Liam P.
core   +2 more sources

Quantum Limits in Optical Communications [PDF]

open access: yesJournal of Lightwave Technology, 2020
This tutorial reviews the Holevo capacity limit as a universal tool to analyze the ultimate transmission rates in a variety of optical communication scenarios, ranging from conventional optically amplified fiber links to free-space communication with ...
Banaszek, Konrad   +3 more
core   +2 more sources

Blind Equalization and Channel Estimation in Coherent Optical Communications Using Variational Autoencoders [PDF]

open access: yesIEEE Journal on Selected Areas in Communications, 2022
We investigate the potential of adaptive blind equalizers based on variational inference for carrier recovery in optical communications. These equalizers are based on a low-complexity approximation of maximum likelihood channel estimation.
V. Lauinger, F. Buchali, L. Schmalen
semanticscholar   +1 more source

Coherent optical communications using coherence-cloned Kerr soliton microcombs [PDF]

open access: yesNature Communications, 2021
Dissipative Kerr soliton microcombs have been recognized as a promising multi-wavelength laser source for fiber optical communications, as their comb lines possess frequency and phase stability far beyond the independent lasers.
Y. Geng   +8 more
semanticscholar   +1 more source

Intelligent Reflecting Surface Assisted Free-Space Optical Communications [PDF]

open access: yesIEEE Communications Magazine, 2021
Free-space optical (FSO) systems are able to offer the high data-rate, secure, and cost-efficient communication links required for applications such as wireless front- and backhauling for 5G and 6G communication networks.
V. Jamali   +5 more
semanticscholar   +1 more source

High-capacity free-space optical communications using wavelength- and mode-division-multiplexing in the mid-infrared region

open access: yesNature Communications, 2022
Due to its absorption properties in atmosphere, the mid-infrared (mid-IR) region has gained interest for its potential to provide high data capacity in free-space optical (FSO) communications.
K. Zou   +16 more
semanticscholar   +1 more source

Optical wireless communication [PDF]

open access: yesPhilosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2020
Optical wireless communication has attracted significant interest recently in industry and academia. This special issue features a collection of inter-related papers with the intention to cover all necessary multidisciplinary challenges to realize optical wireless networks.
Harald Haas   +2 more
openaire   +3 more sources

Coherent Free-Space Optical Communications: Opportunities and Challenges

open access: yesJournal of Lightwave Technology, 2022
The ever-increasing data rate demand for wireless systems is pushing the physical limits of standalone radio-frequency communications, thus fostering the blooming of novel high-capacity optical wireless solutions.
F. Guiomar   +4 more
semanticscholar   +1 more source

Optical Communications and Networks [PDF]

open access: yesIEEE Communications Magazine, 2020
As the second issue in 2020 of the Optical Communications and Networks Series (OCNS), this series selects articles that cover interesting advances on devices, systems and networks regarding optical communications and networking. We are pleased to witness active innovations in this area, which will make the data exchange and processing in the future ...
ZhuZuqing, LiuXiang, AlouiniMohamed-Slim
openaire   +5 more sources

Orbital angular momentum and beyond in free-space optical communications

open access: yesNanophotonics, 2021
Orbital angular momentum (OAM), which describes tailoring the spatial physical dimension of light waves into a helical phase structure, has given rise to many applications in optical manipulation, microscopy, imaging, metrology, sensing, quantum science,
Jian Wang   +5 more
semanticscholar   +1 more source

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