Results 31 to 40 of about 7,311,766 (303)
Sub-micrometre accurate free-form optics by three-dimensional printing on single-mode fibres
Nature Communications, 2016 Combining freeform optics with micro- and nano-optics can permit wavefront shaping, phase engineering, k-space and polarization control. Here, Gissibl et al.
Timo Gissibl +3 more
doaj +1 more source
Terrestrial Free-Space Optical Communications [PDF]
, 2010 Book abstract: Mobile and wireless communications applications have a clear impact on improving the humanity wellbeing. From cell phones to wireless internet to home and office devices, most of the applications are converted from wired into wireless communication.
Ghassemlooy, Zabih, Popoola, Wasiu O.
openaire +2 more sources
BPSK subcarrier intensity modulated free-space optical communications in atmospheric turbulence [PDF]
, 2009 Free-space optical communications (FSO) propagated over a clear atmosphere suffers from irradiance fluctuation caused by small but random atmospheric temperature fluctuations.
Ghassemlooy, Zabih +3 more
core +1 more source
High-Speed Multi-Layer Convolutional Neural Network Based on Free-Space Optics
IEEE Photonics Journal, 2022 Convolutional neural networks (CNNs) are at the heart of several machine learning applications, while they suffer from computational complexity due to their large number of parameters and operations.
Hoda Sadeghzadeh, Somayyeh Koohi
doaj +1 more source
Hybrid POF/VLC Links Based on a Single LED for Indoor Communications
Photonics, 2021 A hybrid fiber/wireless link based on a single visible LED and free of opto-electronic intermediate conversion stages has been demonstrated for indoor communications.
Juan Andrés Apolo +2 more
doaj +1 more source
Squeeze free space with nonlocal flat optics
, 2020 There has been substantial interest in miniaturizing optical systems by flat optics. However, one essential optical component, free space, fundamentally cannot be substituted with conventional local flat optics with space-dependent transfer functions ...
Shanhui Fan (1708261) +2 more
core +1 more source
Multi-element fiber for space-division multiplexed optical communication system [PDF]
, 2014 This paper reviews a novel approach of implementing space-division multiplexing (SDM) based on Multi-element Fiber (MEF) technology. The MEF geometry provides for ultra-low crosstalk between the spatial channels while full compatibility with standard WDM
J. K. Sahu +11 more
core +2 more sources
Engineering Gaussian states of light from a planar microcavity
SciPost Physics, 2018 Quantum fluids of light in a nonlinear planar microcavity can exhibit antibunched photon statistics at short distances due to repulsive polariton interactions.
Mathias Van Regemortel, Sylvain Ravets, Atac Imamoglu, Iacopo Carusotto, Michiel Wouters
doaj +1 more source
Applied SciencesThis paper introduces a Markov-process-based model to analyze the performance of hybrid Free Space Optics and Radio Frequency communication systems. The proposed model captures the dynamic behavior of the link by representing the transitions between ...
Vladimir Shakhov +2 more
doaj +1 more source
Free-space optical neural network based on thermal atomic nonlinearity
, 2021 As artificial neural networks (ANNs) continue to make strides in wide-ranging and diverse fields of technology, the search for more efficient hardware implementations beyond conventional electronics is gaining traction.
Albert Ryou (5793224) +6 more
core +1 more source