443 citations · 2.5k across the 49 of their papers we have counts for
49 papers
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…
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…
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,…
Hundred-Femtosecond-Level Concise Optical Time Delay Measurement System Based on Linear Optical Sampling
Yufei Zhang, Ziyang Chen, Dongrui Yu +3
Fiber-delay measurement is one of the key fundamental technologies in numerous fields. Here we propose and experimentally demonstrate a high-precision and concise optical time dela…
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…
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…
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…
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…
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…
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…
Continuous-Variable Quantum Key Distribution with Rateless Reconciliation Protocol
Chao Zhou, Xiangyu Wang, Yi-Chen Zhang +3
Information reconciliation is crucial for continuous-variable quantum key distribution (CV-QKD) because its performance affects the secret key rate and maximal secure transmission…
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…
Experimental implementation of bias-free quantum random number generator based on vacuum fluctuation
Ziyong Zheng, Yi-Chen Zhang, Song Yu +1
We experimentally demonstrate a bias-free optical quantum random number generator with real-time randomness extraction to directly output uniform distributed random numbers by meas…
High Throughput and Low Cost LDPC Reconciliation for Quantum Key Distribution
Haokun Mao, Qiong Li, Qi Han +1
Reconciliation is a crucial procedure in post-processing of Quantum Key Distribution (QKD), which is used for correcting the error bits in sifted key strings. Although most studies…
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…
Improving the lower bound to the secret-key capacity of the thermal amplifier channel
Gan Wang, Carlo Ottaviani, Hong Guo +1
We consider the noisy thermal amplifier channel, where signal modes are amplified together with environmental thermal modes. We focus on the secret-key capacity of this channel, wh…
1.2 GHz Balanced Homodyne Detector for Continuous-Variable Quantum Information Technology
Xiaoxiong Zhang, Yi-Chen Zhang, Zhengyu Li +2
Balanced homodyne detector (BHD) that can measure the field quadratures of coherent states has been widely used in a range of quantum information technologies. Generally, the BHD t…