A5083229546- Optical Wireless Communication Technologies
- Underwater Vehicles and Communication Systems
- Advanced Photonic Communication Systems
- Metamaterials and Metasurfaces Applications
- Advanced Optical Network Technologies
- Image Enhancement Techniques
- Photonic and Optical Devices
- Infrared Target Detection Methodologies
- Photocathodes and Microchannel Plates
- Opportunistic and Delay-Tolerant Networks
- UAV Applications and Optimization
- Mechanical and Optical Resonators
- Energy Harvesting in Wireless Networks
- Advanced Optical Sensing Technologies
- Semiconductor Quantum Structures and Devices
- Semiconductor Lasers and Optical Devices
- Molecular Communication and Nanonetworks
- Ga2O3 and related materials
- Advanced Fiber Optic Sensors
- Quantum Information and Cryptography
- Neural Networks and Reservoir Computing
- Satellite Communication Systems
- Advanced Wireless Communication Technologies
- Acoustic Wave Resonator Technologies
Nanjing University of Posts and Telecommunications
2022-2024
Interest in wireless blue light communication is increasing because this technology shows promise for realizing high-speed, long-distance and full-duplex underwater communication. Here, we demonstrate an system, OceanLink, to establish data transmission using light. Both the transmitter receiver are housed together independently transmit receive simultaneously. To obtain a longer distance better field distribution, composed of array three light-emitting diode (LED) units with dominant...
A simultaneous emission-detection phenomenon occurs when a quantum well (QW) diode is biased with forward voltage and illuminated shorter-wavelength light beam. The able to detect modulate emitted by itself due its spectral overlap. Here, two identical QW units separately function as transmitter receiver establish wireless communication system. In association energy diagram theory, we explain the irreversibility between emission excitation in diode, which may help us deeply understand...
Space–air–sea communication networks are of great interest to meet the demand for close and seamless connections between space, land, ocean environments. Wireless light can expand network coverage from land sky even while offering enhanced anti-interference capabilities. Here, we propose establish an all-light (ALCN) space–air–sea integrated interconnection, which merges underwater blue communication, wireless white solar-blind deep ultraviolet laser diode-based space communication. Ethernet...
Abstract Multiple quantum well (MQW) Ⅲ-nitride diodes that can simultaneously emit and detect light feature an overlapping region between their electroluminescence responsivity spectra, which allows them to be used as both a transmitter receiver in wireless communication system. Here, we demonstrate mobile system using time-division multiplexing (TDM) scheme achieve bidirectional data transmission via the same optical channel. Two identical blue MQW are defined by software or receiver. To...
Owing to its relatively low absorption loss and high data transmission rate, wireless blue light communication is becoming an increasingly attractive technology for underwater applications. Here, we demonstrate optical (UOWC) system that communicates using light-emitting diodes (LEDs) with a dominant wavelength of 455 nm. Under the on-off keying modulation scheme, waterproof UOWC achieves bidirectional rate 4 Mbps based on control protocol (TCP) exhibits real-time full-duplex video distance...
Emerging deep-ultraviolet (DUV) light communication with attractive features fulfills the increasing demand for novel wireless without electromagnetic interference or solar noise influence. Here, we propose, manufacture, and characterize a solar-blind full-duplex system using 275-nm DUV light-emitting diodes (LEDs). Four LEDs connected in series form unit, transmitter consists of an array three independent units, which can be synchronously controlled main processing unit to modulate emitted...
The integration of wireless light communication into a fidelity (Wi-Fi) module and gateway enables real-time integrated networks that satisfy practical application demands. In particular, green tools can operate underwater in free-space environments. Here, we design, fabricate, characterize full-duplex system using laser diodes (LDs). Operating within the transmission control protocol/internet protocol (TCP/IP), data is confirmed environments at rate 10 Mbps. Through connections to Wi-Fi...
This Letter reports a collinear optical interconnect architecture for acoustic sensing via monolithic integrated GaN optoelectronic chip. The chip is designed with ring-shaped photodiode (PD) surrounding light-emitting diode (LED) of spectral range from 420-530 nm. axisymmetric structure helps the coaxial propagation light transmission and reception. By placing this multiple-quantum wells (MQW)-based device piece aluminum-coated polyethylene terephthalate (Al/PET) film on fiber ends, an...
Multiple-quantum-well (MQW) diodes have a variety of light emission, transmission, modulation, and detection functions. In particular, they feature an emission-detection spectral overlap region, allowing them to be used as both transmitters receivers at the same time. Here, we vertically assemble red, green, blue MQW create wavelength-division multiplexing (WDM) by using distributed bragg reflector (DBR) technique. A single-link communication system, in which longer-wavelength photons can...
With recent advancements in deep ultraviolet (DUV) light-emitting diodes (LEDs) and solar-blind photodetectors, wireless DUV light communication is emerging as a novel technique, which can extend transmission ranges avoid solar interference. Herein, full-duplex, real-time system using 275 nm LEDs proposed. We adopted high-power designed high-speed transmitter, high-sensitivity receiver, main processing unit for the system. Furthermore, system, Reed-Solomon (RS) encoder an on-off keying (OOK)...
<title>Abstract</title> A quantum well (QW) diode that is capable of emitting light also absorbing light. In particular, the QW has broad electroluminescence and responsivity spectra thus, a distinct spectral overlap exists, enabling establishment communication using two identical diodes, namely, one as transmitter other receiver. Here, we demonstrate time-division multiplexing (TDM) wireless green diodes are defined by software or receiver to achieve real-time underwater data transmission...
Wireless optical communication plays a vital role in mobile networks, and both drones vehicles are essential nodes. Here, image identification technology, gimbal, full-duplex systems integrated to manage the challenging issues of light alignment target tracking for under transmission control protocol/internet protocol (TCP/IP) scheme. Both equipped with proposed setup realize wireless data at rate 2 Mbps air-to-ground air-to-air scenarios. By further integrating wireless-fidelity (Wi-Fi)...
In reality, both mobile and fixed nodes are required in wireless light communication networks. Dynamic maintenance of alignment plays a key role full-duplex communication. Here, we merge an image identification module system on three-axis gimbal stabilizer. A real-time the other obtained by is used as feedback signal to control Therefore, automatically tracked, optical path between two ends dynamically maintained, leading under transmission protocol/internet protocol (TCP/IP) scheme. Two...