Results 91 to 100 of about 246,737 (191)

Learning-enabled recognition of LG beams from multimode fiber specklegrams

Results in Optics
The use of orbital angular momentum (OAM) beams, like Laguerre Gaussian (LG) beams is a significant advancement in optical communications, enhancing versatility in data encoding.
Nikhil Vangety, P.M. Pooja, Anirban Majee, Sourabh Roy   +3 more
doaj   +1 more source

Per-Pixel, Dual-Counter Scheme for Optical Communications [PDF]

Free space optical communications links from deep space are projected to fulfill future NASA communication requirements for 2020 and beyond. Accurate laser-beam pointing is required to achieve high data rates at low power levels.This innovation is a per ...
Bimbaum, Kevin M., Farr, William H., Quirk, Kevin J., Sahasrabudhe, Adit, Sburlan, Suzana   +4 more
core   +1 more source

Infrared Free Space Communication - The Autonomous Testing of Free Space Infrared Communication [PDF]

Fiber optics has been a winning player in the game of high-speed communication and data transfer in cable connections. Yet, in free space RF has been the repeated choice of communication medium of the space industry.
Heldman, Christopher
core   +1 more source

Adaptive free-space optical communications through turbulence using self-healing Bessel beams. [PDF]

Sci Rep, 2017
Li S, Wang J.
europepmc   +1 more source

Optical chaotic signal recovery in turbulent environments using a programmable optical processor

Light: Science & Applications
Optical chaos offers a promising approach to establishing secure communication at high data rates in a shared physical channel, like optical fibers and free space.
Sara Zaminga, Andres Martinez, Heming Huang, Damien Rontani, Francesco Morichetti, Andrea Melloni, Frédéric Grillot   +6 more
doaj   +1 more source

Free space coherent optical communications

, 2005
En esta tesis se realiza el estudio, diseño, implementación y caracterización a nivel laboratorio de un enlace óptico digital inalámbrico con detección coherente. En particular se toman las características climatológicas de la ciudad de Ensenada, B.C., México, para el diseño del mismo.
openaire   +1 more source

High-Capacity Free-Space Optical Communications Between a Ground Transmitter and a Ground Receiver via a UAV Using Multiplexing of Multiple Orbital-Angular-Momentum Beams. [PDF]

Sci Rep, 2017
Li L, Zhang R, Zhao Z, Xie G, Liao P, Pang K, Song H, Liu C, Ren Y, Labroille G, Jian P, Starodubov D, Lynn B, Bock R, Tur M, Willner AE.   +15 more
europepmc   +1 more source

Free-space optical communications at 4 Gbit/s data rate with a terahertz laser. [PDF]

Commun Phys
Elumalai J, Salih M, Fice M, Brown A, Li L, Linfield EH, Valavanis A, Seeds AJ, Davies AG, Freeman JR.   +9 more
europepmc   +1 more source

Analysis of Outage Probability and Average Bit Error Rate of Parallel-UAV-Based Free-Space Optical Communications. [PDF]

Entropy (Basel)
Lin SH, Wang JY, Hua X.
europepmc   +1 more source

Balancing positive and negative luminescence for thermoradiative signatureless communications. [PDF]

Light Sci Appl
Nielsen MP, Maier SA, Fuhrer MS, Ekins-Daukes NJ.   +3 more
europepmc   +1 more source