230 citations · 1.4k across the 26 of their papers we have counts for
25 papers · 1 filter
Discrete-modulated continuous-variable quantum key distribution with uncertainty principle
Jiale Mi, Yiming Bian, Song Yu +3
Continuous-variable quantum key distribution is a compelling framework for scalable quantum networks due to its seamless integration with existing optical communication infrastruct…
Approaching the Key Rate Limit in Continuous-Variable Quantum Key Distribution Network
Yiming Bian, Yichen Zhang, Song Yu +2
A quantum key distribution network enables pairs of users to generate independent secret keys by leveraging the principles of quantum physics. For end-to-end secure communication,…
Continuous-variable quantum key distribution system: past, present, and future
Yichen Zhang, Yiming Bian, Zhengyu Li +2
Quantum key distribution provides secure keys with information-theoretic security ensured by the principle of quantum mechanics. The continuous-variable version of quantum key dist…
High-Rate Point-to-Multipoint Quantum Key Distribution using Coherent States
Yiming Bian, Yi-Chen Zhang, Chao Zhou +3
Quantum key distribution (QKD) which enables information-theoretically security is now heading towards quantum secure networks. It requires high-performance and cost-effective prot…
Continuous-mode quantum key distribution with digital signal processing
Ziyang Chen, Xiangyu Wang, Song Yu +2
Continuous-variable quantum key distribution (CVQKD) offers the specific advantage of sharing keys remotely by the use of standard telecom components, thereby promoting cost-effect…
One-Time Shot-Noise Unit Calibration Method for Continuous-Variable Quantum Key Distribution
Yi-Chen Zhang, Yundi Huang, Ziyang Chen +3
The shot-noise unit in continuous-variable quantum key distribution plays an important and fundamental role in experimental implementation as it is used as a normalization paramete…
The m-least significant bits operation for quantum random number generation
Ziyang Chen, Zhengyu Li, Bingjie Xu +2
Quantum random number generators (QRNGs) can provide genuine randomness based on the inherent unpredictable nature of quantum physics. The extracted randomness relies not only on t…
User-defined quantum key distribution
Zhengyu Li, Yi-Chen Zhang, Hong Guo
Quantum key distribution (QKD) provides secure keys resistant to code-breaking quantum computers. As headed towards commercial application, it is crucial to guarantee the practical…
Composable security analysis of continuous-variable measurement-device-independent quantum key distribution with squeezed states for coherent attacks
Ziyang Chen, Yi-Chen Zhang, Gan Wang +2
Measurement-device-independent quantum key distribution protocol, whose security analysis does not rely on any assumption on the detection system, can immune the attacking against…
A quantum primality test with order finding
Alvaro Donis-Vela, Juan Carlos Garcia-Escartin
Determining whether a given integer is prime or composite is a basic task in number theory. We present a primality test based on quantum order finding and the converse of Fermat's…
Light Source Monitoring in Quantum Key Distribution with Single Photon Detector at Room Temperature
Gan Wang, Zhengyu Li, Yucheng Qiao +3
Photon number resolving monitoring is a practical light source monitoring scheme in QKD systems, which reduces the impacts from untrusted sources effectively. This scheme requires…
Continuous-variable QKD over 50km commercial fiber
Yi-Chen Zhang, Zhengyu Li, Ziyang Chen +18
The continuous-variable version of quantum key distribution (QKD) offers the advantages (over discrete-variable systems) of higher secret key rates in metropolitan areas as well as…
High Speed Continuous Variable Source-Independent Quantum Random Number Generation
Bingjie Xu, Ziyang Chen, Zhengyu Li +5
As a fundamental phenomenon in nature, randomness has a wide range of applications in the fields of science and engineering. Among different types of random number generators (RNG)…
Improvement of two-way continuous-variable quantum key distribution with virtual photon subtraction
Yijia Zhao, Yi-Chen Zhang, Zhengyu Li +2
We propose a method to improve the performance of two-way continuous-variable quantum key distribution protocol by virtual photon subtraction. The Virtual photon subtraction implem…
Numerical simulation of the optimal two-mode attacks for two-way continuous-variable quantum cryptography in reverse reconciliation
Yi-Chen Zhang, Zhengyu Li, Yijia Zhao +2
We analyze the security of the two-way continuous-variable quantum key distribution protocol in reverse reconciliation against general two-mode attacks, which represent all accessi…
Efficient rate-adaptive reconciliation for continuous-variable quantum key distribution
Xiangyu Wang, Yi-Chen Zhang, Zhengyu Li +3
Information reconciliation protocol has a significant effect on the secret key rate and maximal transmission distance of continuous-variable quantum key distribution (CV-QKD) syste…
Computing quopit Clifford circuit amplitudes by the sum-over-paths technique
Dax Enshan Koh, Mark D. Penney, Robert W. Spekkens
By the Gottesman-Knill Theorem, the outcome probabilities of Clifford circuits can be computed efficiently. We present an alternative proof of this result for quopit Clifford circu…
Robustness of QMA against witness noise
Friederike Anna Dziemba
Using the tool of concatenated stabilizer coding, we prove that the complexity class QMA remains unchanged even if every witness qubit is disturbed by constant noise. This result m…
A 5.4 Gbps real time quantum random number generator with compact implementation
Jie Yang, Jinlu Liu, Qi Su +4
We present a random number generation scheme based on measuring the phase fluctuations of a laser with a simple and compact experimental setup. A simple model is established to ana…
502 Gbits/s Quantum Random Number Generation with Simple and Compact Structure
Jinlu Liu, Jie Yang, Zhengyu Li +3
We propose and implement a simple and compact quantum random number generation (QRNG) scheme based on the quantum phase fluctuations of a DFB laser. The distribution probability of…
Non-Gaussian postselection and virtual photon subtraction in continuous-variable quantum key distribution
Zhengyu Li, Yi-Chen Zhang, Xiangyu Wang +3
Photon subtraction can enhance the performance of continuous-variable quantum key distribution (CV QKD). However, the enhancement effect will be reduced by the imperfections of pra…
Noiseless Linear Amplifiers in Entanglement-Based Continuous-Variable Quantum Key Distribution
Yi-Chen Zhang, Zhengyu Li, Christian Weedbrook +4
We propose a method to improve the performance of two entanglement-based continuous-variable quantum key distribution protocols using noiseless linear amplifiers. The two entanglem…
Continuous-variable measurement-device-independent quantum key distribution using squeezed states
Yi-Chen Zhang, Zhengyu Li, Song Yu +3
A continuous-variable measurement-device-independent quantum key distribution (CV-MDI QKD) protocol using squeezed states is proposed where the two legitimate partners send Gaussia…
Continuous-Variable Measurement-Device-Independent Quantum Key Distribution
Zhengyu Li, Yi-Chen Zhang, Feihu Xu +2
We propose a continuous-variable measurement-device-independent quantum key distribution (CV-MDI QKD) protocol, in which detection is conducted by an untrusted third party. Our pro…