Results 251 to 260 of about 20,118 (299)

Large-array sub-millimeter precision coherent flash three-dimensional imaging. [PDF]

Nat Commun
Wang B, Tian J, Wang J, Xu S, Zhao S, Duan J, Zhang W, Liu Y, Zeng T, Mao E.   +9 more
europepmc   +1 more source

X-ray and γ-ray beam interstellar communication and implications for SETI. [PDF]

Sci Rep
Beveridge L, Bruhaug G.
europepmc   +1 more source

Multi-target and ultra-high-speed optical wireless communication using a thin-film lithium niobate optical phased array. [PDF]

Nat Commun
Ma X, Yuan M, Li J, Zhang H, He B, Zhang P, Jiang Y, Xiao H, Ren G, Mitchell A, Su Y, Tian Y.   +11 more
europepmc   +1 more source

Towards universal multi-dimensional parallelization communications by direct diverse fiber/3D/2D chip hybrid integration. [PDF]

Nat Commun
Li K, Cai C, Yan G, Han B, Chen H, Wu G, Wang J.   +6 more
europepmc   +1 more source

Optimum-Transmission Free-Space Optical Communications [PDF]

Prajit Dhara, Babak N. Saif, Jeffrey H. Shapiro, Saikat Guha   +3 more
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Free-Space Optical Communications

Journal of Lightwave Technology, 2006
With recent successes of laboratory, inatmosphere, and space demonstrations of free-space optical communications, there is no doubt that the technology is ready for operational deployment. While these successes have shown that there are no laws of physics against such systems, their estimated system costs are still much too high for serious ...
exaly   +2 more sources

Free-space Optics for Communications at Sea

Optical Fiber Communication Conference (OFC) 2022, 2022
We discuss our free-space-optical communication system, specifically exploring tradeoffs in pointing, acquisition, and tracking design and the use of retransmission to mitigate the impact of turbulence-induced fades.
Katherine T. Newell, Michelle P. O'Toole, Krunal Patel, Raef B. Youssef, Radha A. Venkat, Adam H. Willitsford, Noah B. Talisa   +6 more
openaire   +2 more sources

Feedforward-based free-space optical communication

Applied Optics, 2021
We propose to use 1-bit feedforward information at the free-space optical (FSO) receiver to improve its error performance. We concentrate upon M -ary pulse amplitude modulation (PAM) signaling and design an error-optimal PAM constellation for providing efficient 1-bit feedforward information to the receiver.
Manav R. Bhatnagar, Jamel Nebhen
openaire   +2 more sources