80 citations · 464 across the 19 of their papers we have counts for
20 papers
Decoy-state optical quantum information processing with coherent states
Wenyuan Wang, H. F. Chau
Photonic qubits play an important role in quantum information processing. However, to date, efficient high-speed single photon sources and photon number resolving (PNR) detectors a…
Fully Passive Measurement-Device-Independent Quantum Key Distribution
Jinjie Li, Wenyuan Wang, Hoi-Kwong Lo
A recently proposed fully passive QKD removes all source modulator side channels. In this work, we combine the fully passive sources with MDI-QKD to remove simultaneously side chan…
Proof-of-Principle Demonstration of Fully-Passive Quantum Key Distribution
Chengqiu Hu, Wenyuan Wang, Kai-Sum Chan +2
Quantum key distribution (QKD) offers information-theoretic security based on the fundamental laws of physics. However, device imperfections, such as those in active modulators, ma…
Fully-Passive Twin-Field Quantum Key Distribution
Wenyuan Wang, Rong Wang, H. F. Chau +1
We propose a fully passive twin-field quantum key distribution (QKD) setup where basis choice, decoy-state preparation and encoding are all implemented entirely by post-processing…
Passive continuous variable quantum key distribution
Chenyang Li, Chengqiu Hu, Wenyuan Wang +2
Passive quantum key distribution (QKD) has been proposed for discrete variable protocols to eliminate side channels in the source. Unfortunately, the key rate of passive DV-QKD pro…
Resource-Efficient Real-Time Polarization Compensation for MDI-QKD with Rejected Data
Olinka Bedroya, Chenyang Li, Wenyuan Wang +3
Measurement-device-independent quantum key distribution (MDI-QKD) closes all the security loopholes in the detection system and is a promising solution for secret key sharing. Pola…
A fully passive transmitter for decoy-state quantum key distribution
Víctor Zapatero, Wenyuan Wang, Marcos Curty
A passive quantum key distribution (QKD) transmitter generates the quantum states prescribed by a QKD protocol at random, combining a fixed quantum mechanism and a post-selection s…
Fully-Passive Quantum Key Distribution
Wenyuan Wang, Rong Wang, Victor Zapatero +4
Passive implementations of quantum key distribution (QKD) sources are highly desirable as they eliminate side-channels that active modulators might introduce. Up till now, passive…
Numerical Security Proof for Decoy-State BB84 and Measurement-Device-Independent QKD Resistant against Large Basis Misalignment
Wenyuan Wang, Norbert Lütkenhaus
In this work, we incorporate decoy-state analysis into a well-established numerical framework for key rate calculation, and apply the numerical framework to decoy-state BB84 and me…
Experiment on scalable multi-user twin-field quantum key distribution network
Xiaoqing Zhong, Wenyuan Wang, Reem Mandil +2
Twin-field quantum key distribution (TFQKD) systems have shown great promise for implementing practical long-distance secure quantum communication due to its measurement-device-ind…
Adaptive Techniques in Practical Quantum Key Distribution
Wenyuan Wang
Quantum Key Distribution (QKD) can provide information-theoretically secure communications and is a strong candidate for the next generation of cryptography. However, in practice,…
Proof-of-principle experimental demonstration of twin-field quantum key distribution over optical channels with asymmetric losses
Xiaoqing Zhong, Wenyuan Wang, Li Qian +1
Twin-field (TF) quantum key distribution (QKD) is highly attractive because it can beat the fundamental limit of secret key rate for point-to-point QKD without quantum repeaters. M…
Prefixed-threshold Real-Time Selection for Free-Space Measurement-Device-Independent Quantum Key Distribution
Wenyuan Wang, Feihu Xu, Hoi-Kwong Lo
Measurement-Device-Independent (MDI) QKD eliminates detector side channels in QKD and allows an untrusted relay between two users. A desirable yet highly challenging application is…
Simple Method for Asymmetric Twin-Field Quantum Key Distribution
Wenyuan Wang, Hoi-Kwong Lo
Twin-Field quantum key distribution (TF-QKD) can beat the linear bound of repeaterless QKD systems. After the proposal of the original protocol, multiple papers have extended the p…
Machine Learning for Optimal Parameter Prediction in Quantum Key Distribution
Wenyuan Wang, Hoi-Kwong Lo
For a practical quantum key distribution (QKD) system, parameter optimization - the choice of intensities and probabilities of sending them - is a crucial step in gaining optimal p…
Continuous Generation of Volumetric Images During Stereotactic Body Radiation Therapy Using Periodic kV Imaging and an External Respiratory Surrogate
Matthieu Lafrenière, Nitin Mahadeo, John Lewis +2
We present a technique for continuous generation of volumetric images during SBRT using periodic kV imaging and an external respiratory surrogate signal to drive a patient-specific…
Information theoretic security of quantum key distribution overcoming the repeaterless secret key capacity bound
Kiyoshi Tamaki, Hoi-Kwong Lo, Wenyuan Wang +1
Quantum key distribution is a way to distribute secret keys to distant users with information theoretic security and key rates suitable for real-world applications. Its rate-distan…
Pre-fixed Threshold Real Time Selection Method in Free-space Quantum Key Distribution
Wenyuan Wang, Feihu Xu, Hoi-Kwong Lo
Free-space Quantum key distribution (QKD) allows two parties to share a random key with unconditional security, between ground stations, between mobile platforms, and even in satel…
Characterizing multi-photon quantum interference with practical light sources and threshold single-photon detectors
Álvaro Navarrete, Wenyuan Wang, Feihu Xu +1
The experimental characterization of multi-photon quantum interference effects in optical networks is essential in many applications of photonic quantum technologies, which include…
Experimental Quantum Fingerprinting
Feihu Xu, Juan Miguel Arrazola, Kejin Wei +6
Quantum communication holds the promise of creating disruptive technologies that will play an essential role in future communication networks. For example, the study of quantum com…