- Semiconductor Lasers and Optical Devices
- Optical Wireless Communication Technologies
- Semiconductor Quantum Structures and Devices
- GaN-based semiconductor devices and materials
- Photonic and Optical Devices
- Neural Networks and Reservoir Computing
- Advanced Optical Imaging Technologies
- Acoustic Wave Resonator Technologies
- Optical Network Technologies
- Advanced Sensor and Energy Harvesting Materials
- Advanced Memory and Neural Computing
- Random lasers and scattering media
- Advanced Optical Sensing Technologies
- Gaze Tracking and Assistive Technology
- Analytical Chemistry and Sensors
- Interactive and Immersive Displays
Nanjing University of Posts and Telecommunications
2023-2025
Due to the overlapping emission and detection spectra of quantum well (QW) diodes, they inherently possess dual functions light detection. In this paper, we integrate a 4 × array QW diodes combine it with programmable circuit convolutional neural network algorithm, ultimately proposing simultaneous display-communication system. This system not only displays visual content but also receives external signals via wireless communication classifies recognizes signal an accuracy exceeding 95%. The...
Quantum well (QW) diodes have the capability to function as a light-emitting diode or photodiode and inherently feature partial emission-detection spectral overlap. Therefore, QW can sense light emission from another sharing same active region. In association with distributed Bragg reflection (DBR) technique, we here present wavelength-division multiplexing (WDM) visible communication (VLC) over single channel by using vertical assembly of red, green, blue (RGB) diodes. The identical...
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...
Multi-quantum well (MQW) diodes exhibit simultaneous emission and detection, allowing them to serve as multifunctional devices, including light emitters, receivers, energy transmitters, information transmitters. Leveraging this capability, we designed a Multifunctional Energy Transfer Information System (METIS) that integrates contactless control, harvesting, transfer. At the core of system, communication chip operates effectively across broad range extreme temperatures in various solution...
Multiple quantum well (MQW) III-nitride diodes show selectable functionalities of light-emitting and light-detecting behaviors, enabling direct touchless device-to-device communication. Here, we propose demonstrate a input/output (I/O) interface using single MQW diode. By integrating an diode with memory via control circuit, optical signals are converted into electrical ones to be written memory, consequently, information is read out from the translated for visible light communication (VLC)....
The quantum well diode (QWD) performs a dual role, functioning both as an emitter and detector due to its unique feature of spectral overlap between emission detection spectra. This functionality positions QWDs promising candidates in the realm multifunctional sensors. Furthermore, well-established maturity optical fiber communication, grounded intrinsic property total reflection, makes it ideal transmission medium for QWD sensing signals. Leveraging coexisting capabilities QWDs, we have...
Quantum Well Diodes (QWD) have been proven to possess the fundamental physical phenomenon of simultaneous light emission and detection, making them suitable for sensing requirements in era Internet Things (IoT). The QWD chip itself offers several advantages, including miniaturization, low cost, strong resistance electromagnetic interference, high confidentiality, which contribute its broad application prospects. By utilizing an array chips a 2×2 configuration, combined with hardware circuits...
Micromulti-quantum well (MQW) III-nitride diodes are commonly used as microleds and considered the next generation of display imaging technology. Among other things, they theoretically have ability to detect modulate light. Here, we integrate MQWs Type diode monolithic onto a chip establish real-time system for image reconstruction, which can perform simultaneous illumination operations in practice. These functions be controlled by software. This device, if integrated on large scale, could...
With the development of Internet Things (IoT) technology, there is an increasing demand for integrated optoelectronic systems. Multiple quantum well (MQW) diodes can transmit and receive information through visible light, serving as both light-emitting (LEDs) photodetectors. Furthermore, overlap emission-detection spectra in III-nitride MQW provides interesting capability detecting modulating their own emitted light. In this study, we have experimentally demonstrated coexistence established...
The Quantum well diode (QWD) serves as both a transmitter and receiver due to its capability of coexisting emission detection. In this experiment, we successfully implemented single-chip, half-duplex optical communication encryption interface. By utilizing encrypted signals, stimulated the QWD generate activation which were then decoded identified by microprocessor unit (MPU). This allowed audio signals enter through input-output (I/O) port be emitted via QWD. results experiment validate...