Results 1 to 10 of about 127,518 (141)
Optical wireless communication [PDF]
Philosophical 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 +4 more sources
Bandwidth Control in Computer- Generated Holography
IEEE Photonics Journal, 2023 The Fourier transform between the time and frequency signals of light enables highly efficient band usage in optical communications. Analogously, the Fourier transform between the wavefield and wavevector distributions in the optical spatial diffraction ...
Mian Wu +6 more
doaj +1 more source
Investigation of Fan In and Fan Out Technologies for Multi Core Fiber
Guangtongxin yanjiu, 2021 Spatial division multiplexing based on the multi-core fiber has been believed as a promising and effective way to overcome the foreseeable capacity crunch of single mode fiber transmission. Fan-in Fan-out (FIFO) technology for multi-core fiber is the key
Ying QIU +3 more
doaj +1 more source
Entropy, 2023 Within the scope of concrete internal defect detection via laser Doppler vibrometry (LDV), the acquired signals frequently suffer from low signal-to-noise ratios (SNR) due to the heterogeneity of the concrete’s material properties and its rough surface ...
Xu Tian +4 more
doaj +1 more source
Concrete Multi-Type Defect Classification Algorithm Based on MSSMA-SVM
Sensors, 2022 In order to realize the automatic classification of internal defects for non-contact nondestructive testing of concrete, a concrete multi-type defect classification algorithm based on the mixed strategy slime mold algorithm support vector machine (MSSMA ...
Xu Tian +4 more
doaj +1 more source
Probabilistically Shaped PAM-8 Transmission With Simplified Volterra Equalizer
IEEE Photonics Journal, 2022 Intensity-modulation direct-detection (IM/DD) probabilistically shaped (PS) 8-level pulse-amplitude modulation (PAM) signal is promising for high-speed intra-data-center networks.
Mingyi Gao +3 more
doaj +1 more source
Dynamic Fano Resonance in Thin Fiber Taper Coupled Cylindrical Microcavity
IEEE Photonics Journal, 2016 Fano resonance results from interference between a background and a resonant scattering, which produces the asymmetrical lineshape. A cylindrical microcavity naturally possesses localized whispering gallery mode (WGM) and delocalized radiation mode, and ...
Yadong Miao +5 more
doaj +1 more source
Nanomaterials, 2021 Lithium-sulfur (Li-S) batteries have received extensive attention due to their high theoretical specific capacity and theoretical energy density. However, their commercialization is hindered by the shuttle effect caused by the dissolution of lithium ...
Chenghao Yao +6 more
doaj +1 more source
A High Performance Distributed Optical Fiber Sensor Based on Φ-OTDR for Dynamic Strain Measurement
IEEE Photonics Journal, 2017 A high-performance distributed optical fiber sensor based on phase-sensitive optical time-domain reflectometry (Φ-OTDR) for dynamic strain measurement has been proposed.
Xuping Zhang +6 more
doaj +1 more source
Multiple-Ring-Core FM-EDF for Weakly-Coupled MDM Amplification With Low Differential Modal Gain
IEEE Photonics Journal, 2021 Recently weakly-coupled mode-division multiplexing (MDM) transmission systems and networks based on ultralow-modal-crosstalk few-mode fiber (FMF) have attracted much interest, for which optical amplification technologies with low modal crosstalk and two ...
Jinglong Zhu +7 more
doaj +1 more source