Results 21 to 30 of about 8,380,848 (286)

Recent Advancement in Power-over-Fiber Technologies

Photonics, 2021
Power-over-fiber is a power transmission technology using optical fibers that offers various features not available in conventional power lines, such as copper wires.
Motoharu Matsuura
doaj   +1 more source

Long-Distance High-Power Wireless Optical Energy Transmission Based on VECSELs

Crystals, 2022
Wireless charging systems are critical for safely and efficiently recharging mobile electronic devices. Current wireless charging technologies involving inductive coupling, magnetic resonance coupling, and microwave transmission are bulky, require ...
Zhuo Zhang, Jianwei Zhang, Yuxiang Gong, Yinli Zhou, Xing Zhang, Chao Chen, Hao Wu, Yongyi Chen, Li Qin, Yongqiang Ning, Lijun Wang   +10 more
doaj   +1 more source

Comprehensive Analysis of Time-Domain Hybrid PAM for Data-Rate and Distance Adaptive UWOC System

IEEE Access, 2021
The challenge for next-generation underwater optical wireless communication systems is to develop optical transceivers that can operate with low power consumption by maximizing the transmission capacity according to the transmission distance between ...
Takahiro Kodama, Muhamad Aizat Bin Ahmad Sanusi, Fumiya Kobori, Tomotaka Kimura, Yoshiaki Inoue, Masahiko Jinno   +5 more
doaj   +1 more source

Advanced Progress of Optical Wireless Technologies for Power Industry: An Overview

Applied Sciences, 2020
Optical wireless communications have attracted widespread attention in the traditional power industry because of the advantages of large spectrum resources, strong confidentiality, and freedom from traditional electromagnetic interference.
Jupeng Ding, Wenwen Liu, Chih-Lin I, Hui Zhang, Hongye Mei   +4 more
doaj   +1 more source

Real-Time Multi-User Video Optical Wireless Transmission Based on a Parallel Micro-LEDs Bulb

IEEE Photonics Journal, 2021
In this work, we experimentally achieved a real-time video optical wireless transmission which can broadcast two users in different positions, simultaneously.
Zixian Wei, Zhongxu Liu, Zhaoming Wang, Mutong Li, Chien-Ju Chen, Meng-Chyi Wu, Songping Mai, Faisal Nadeem Khan, Changyuan Yu, H. Y. Fu   +9 more
doaj   +1 more source

Implementation of a Full Optically-Powered 5G NR Fiber-Wireless System

IEEE Photonics Journal, 2022
We report the implementation of a full optically-powered 5G new radio (5G NR) fiber-wireless (FiWi) system based on power-over-fiber (PoF) and radio-over-fiber (RoF) technologies.
Leticia Carneiro de Souza, Eduardo Saia Lima, Arismar Cerqueira Sodre Junior   +2 more
doaj   +1 more source

Design of monitoring system for coal mine roof separation based on WaveMesh network and STM32

Meikuang Anquan, 2022
In view of the traditional coal mine roof separation layer monitoring system maintenance difficult, inconvenient installation, low flexibility, and the unstable signal transmission, high power consumption and short service period of the wireless ...
WU Shitao, TANG Jianquan, YANG Jie
doaj   +1 more source

Recent developments in indoor optical wireless systems [PDF]

, 2008
An overview of the developments in optical wireless systems viewed from the traditional communications viewpoint of transmitter, channel and receiver is presented.
Leeson, Mark S., Higgins, Matthew D., Green, Roger, Joshi, Harita   +3 more
core   +1 more source

Low-Latency Optical Wireless Data-Center Networks Using Nanoseconds Semiconductor-Based Wavelength Selectors and Arrayed Waveguide Grating Router

Photonics, 2022
In order to meet the massively increasing requirements of big-data applications, data centers (DCs) are key infrastructures to cope with the associated demands, such as high performance, easy scalability, low cabling complexity and low power consumption.
Shaojuan Zhang, Xuwei Xue, Eduward Tangdiongga, Nicola Calabretta   +3 more
doaj   +1 more source

Analysis and Experiment of Laser Energy Distribution of Laser Wireless Power Transmission Based on a Powersphere Receiver

Photonics, 2023
Laser wireless power transmission (WPT) is one of the most important technologies in the field of long-range power transfer. This technique uses a laser as a transmission medium instead of conventional physical or electrical connections to perform WPT ...
Tiefeng He, Guoliang Zheng, Qingyang Wu, Haixuan Huang, Lili Wan, Keyan Xu, Tianyu Shi, Zhijian Lv   +7 more
doaj   +1 more source