Shangbin Li
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View article: Theoretical Analysis of Heterodyne Rydberg Atomic Receiver Sensitivity Based on Transit Relaxation Effect and Frequency Detuning
Theoretical Analysis of Heterodyne Rydberg Atomic Receiver Sensitivity Based on Transit Relaxation Effect and Frequency Detuning Open
We conduct a theoretical investigation into the impacts of local microwave electric field frequency detuning, laser frequency detuning, and transit relaxation rate on enhancing heterodyne Rydberg atomic receiver sensitivity. To optimize th…
View article: Distorted Laser Spot Center Positioning Based on Captured Image Under Laser-Camera Misalignment in UOWC
Distorted Laser Spot Center Positioning Based on Captured Image Under Laser-Camera Misalignment in UOWC Open
The laser spot center positioning is an essential step for camera-based terminal positioning and alignment in a long-distance laser-based underwater optical wireless communication (UOWC) system. In this paper, the laser spot profile distor…
View article: Multilevel polarization shift keying modulation for turbulence-robust underwater optical wireless communication
Multilevel polarization shift keying modulation for turbulence-robust underwater optical wireless communication Open
Turbulence is an intractable issue for underwater optical wireless communication (UOWC). Most literature has been mainly focused on the modeling of turbulence channels and performance analysis rather than mitigation of the turbulence effec…
View article: Microwave Communication Under Weak Intensity to Quantumized Level: Recent Progress and Future Challenges
Microwave Communication Under Weak Intensity to Quantumized Level: Recent Progress and Future Challenges Open
We provide an overview of the recent progresses on the system architecture design and performance prediction for microwave signal detection under weak signal intensity regime, up to quantumized level. The technique roadmap includes two per…
View article: Experimental underwater quantum key distribution
Experimental underwater quantum key distribution Open
In recent years, the feasibility of quantum key distribution (QKD) in a water channel has been verified by theory and experiment. Here, we present an experimental investigation of QKD and decoy-state QKD based on the BB84 protocol. The exp…
View article: Photon-level Quantumized Microwave Detection Based on Artificial $\Lambda$-Type Three-level System with Superconducting Devices: Performance Prediction
Photon-level Quantumized Microwave Detection Based on Artificial $\Lambda$-Type Three-level System with Superconducting Devices: Performance Prediction Open
We adopt artificial $\Lambda$-type three level system with superconducting devices for microwave signal detection, where the signal intensity can reach the level of discrete photons instead of continuous waveform. Based on the state transi…
View article: Wireless Communication Based on Microwave Photon-Level Detection With Superconducting Devices: Achievable Rate Prediction
Wireless Communication Based on Microwave Photon-Level Detection With Superconducting Devices: Achievable Rate Prediction Open
Future wireless communication system embraces physical-layer signal detection with high sensitivity, especially in the microwave photon level. Currently, the receiver primarily adopts the signal detection based on semi-conductor devices fo…
View article: Quantumized Microwave Detection Based on $Λ$-Type Three-level Superconducting System: HMM Modeling and Performance Prediction
Quantumized Microwave Detection Based on $Λ$-Type Three-level Superconducting System: HMM Modeling and Performance Prediction Open
We adopt artificial $Λ$-type three-level system with superconducting devices for microwave signal detection, where the signal intensity reaches the level of discrete photons instead of continuous waveform. Based on the state transition pri…
View article: Quantumized Microwave Detection Based on $\Lambda$-Type Three-level Superconducting System: HMM Modeling and Performance Prediction
Quantumized Microwave Detection Based on $\Lambda$-Type Three-level Superconducting System: HMM Modeling and Performance Prediction Open
We adopt artificial $\Lambda$-type three-level system with superconducting devices for microwave signal detection, where the signal intensity reaches the level of discrete photons instead of continuous waveform. Based on the state transiti…
View article: Weak Radio Frequency Signal Detection Based on Piezo-Opto-Electro-Mechanical System: Architecture Design and Sensitivity Prediction
Weak Radio Frequency Signal Detection Based on Piezo-Opto-Electro-Mechanical System: Architecture Design and Sensitivity Prediction Open
We propose a novel radio-frequency (RF) receiving architecture based on micro-electro-mechanical system (MEMS) and optical coherent detection module. The architecture converts the received electrical signal into mechanical vibration throug…
View article: 100 m/500 Mbps underwater optical wireless communication using an NRZ-OOK modulated 520 nm laser diode
100 m/500 Mbps underwater optical wireless communication using an NRZ-OOK modulated 520 nm laser diode Open
In this paper, we proposed and experimentally demonstrated a long-distance high-speed underwater optical wireless communication (UOWC) system in a laboratory environment by using a low-cost green laser diode (LD) and power-efficient non-re…
View article: Phototransistor-like Light Controllable IoT Sensor based on Series-connected RGB LEDs
Phototransistor-like Light Controllable IoT Sensor based on Series-connected RGB LEDs Open
An IoT optical sensor based on the series-connected RGB LEDs is designed, which exhibits the light-controllable optical-to-electrical response like a phototransistor. The IoT sensor has the maximal AC and DC responsivities to the violet li…
View article: A 51.6 Mb/s Experimental VLC System Using a Monochromic Organic LED
A 51.6 Mb/s Experimental VLC System Using a Monochromic Organic LED Open
An organic light emitting diode (OLED) shows characteristics different from a traditional semiconductor LED when both are applied to visible light communication (VLC). This paper first experimentally characterizes its static and dynamic co…
View article: Experimental MIMO VLC Systems Using Tricolor LED Transmitters and Receivers
Experimental MIMO VLC Systems Using Tricolor LED Transmitters and Receivers Open
This paper shows experimental systems using R/G/B LEDs as both the emitters and narrowband filterless photodetectors to realize multiple-input multiple-output (MIMO) visible light communications. Among 9 tested color-pair links from R/G/B …
View article: LED receiver impedance and its effects on LED-LED visible light communications
LED receiver impedance and its effects on LED-LED visible light communications Open
This paper experimentally demonstrates that the AC impedance spectrum of the LED as a photodetector heavily depends on the received optical power, which may cause the impedance mismatch between the LED and the post trans-impedance amplifie…