443 citations · 1.1k across the 29 of their papers we have counts for
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The Shape of Information: Global Information Geometric Limits in Multi-task Quantum Systems
Zishuo Ren, Ziyang Chen, Hong Guo
Future quantum networks are expected to perform multiple tasks simultaneously within a single system, such as integrated sensing and communication (ISAC) architectures. Despite var…
Continuous-mode analysis of improved two-way CV-QKD
Yanhao Sun, Jiayu Ma, Xiangyu Wang +3
Continuous-variable quantum key distribution (CV-QKD) enables information-theoretically secure key generation between legitimate parties. To further enhance system performance, an…
Continuous-mode analysis for practical continuous-variable quantum key distribution
Yanhao Sun, Jiayu Ma, Xiangyu Wang +3
Continuous-variable quantum key distribution (CV-QKD) enables two remote parties to establish information-theoretically secure keys and offers high practical feasibility due to its…
Countermeasure for negative impact of practical source in continuous-variable measurement-device-independent quantum key distribution
Luyu Huang, Xiangyu Wang, Ziyang Chen +3
Continuous-variable measurement-device-independent quantum key distribution (CV-MDI QKD) can defend all attacks on the measurement devices fundamentally. Consequently, higher requi…
Experimental upstream transmission of continuous variable quantum key distribution access network
Xiangyu Wang, Ziyang Chen, Zhenghua Li +3
Continuous-variable quantum key distribution which can be implemented using only low-cost and off-the-shelf components reveals great potential in the practical large-scale realizat…
Non-Gaussian reconciliation for continuous-variable quantum key distribution
Xiangyu Wang, Menghao Xu, Yin Zhao +3
Non-Gaussian modulation can improve the performance of continuous-variable quantum key distribution (CV-QKD). For Gaussian modulated coherent state CV-QKD, photon subtraction can r…
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…
Realizing downstream access network using continuous-variable quantum key distribution
Yundi Huang, Tao Shen, Xiangyu Wang +4
Quantum key distribution (QKD) which enables the secure distribution of symmetric keys between two legitimate parties is of great importance in future network security. Access netw…
Strengthening practical continuous-variable quantum key distribution systems against measurement angular error
Tao Shen, Yundi Huang, Xiangyu Wang +3
The optical phase shifter that constantly rotates the local oscillator phase is a necessity in continuous-variable quantum key distribution systems with heterodyne detection. In pr…
Rate compatible reconciliation for continuous-variable quantum key distribution using Raptor-like LDPC codes
Chao Zhou, Xiangyu Wang, Zhiguo Zhang +3
In the practical continuous-variable quantum key distribution (CV-QKD) system, the postprocessing process, particularly the error correction part, significantly impacts the system…
Bias-free source-independent quantum random number generator
Ziyong Zheng, Yi-Chen Zhang, Min Huang +3
A bias-free source-independent quantum random number generator scheme based on the measurement of vacuum fluctuation is proposed to realize the effective elimination of system bias…
Finite-size analysis of continuous variable source-independent quantum random number generation
Junyu Zhang, Yi-Chen Zhang, Ziyong Zheng +3
We study the impact of finite-size effect on continuous variable source-independent quantum random number generation. The central-limit theorem and maximum likelihood estimation th…
Long-Distance Continuous-Variable Quantum Key Distribution over 202.81 km of Fiber
Yi-Chen Zhang, Ziyang Chen, Stefano Pirandola +7
Quantum key distribution provides secure keys resistant to code-breaking quantum computers. The continuous-variable version of quantum key distribution offers the advantages of hig…
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…
Improving parameter estimation of entropic uncertainty relation in continuous-variable quantum key distribution
Ziyang Chen, Yi-Chen Zhang, Xiangyu Wang +2
The entropic uncertainty relation (EUR) is of significant importance in the security proof of continuous-variable quantum key distribution under coherent attacks. The parameter est…
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…
Continuous-variable source-device-independent quantum key distribution against general attacks
Yi-Chen Zhang, Ziyang Chen, Christian Weedbrook +2
The continuous-variable quantum key distribution with entanglement in the middle, a semi-device-independent protocol, places the source at the untrusted third party between Alice a…
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…
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)…