443 citations · 1.5k across the 23 of their papers we have counts for
23 papers
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…
Analyzing the performance of CV-MDI QKD under continuous-mode scenarios
Yanhao Sun, Ziyang Chen, Xiangyu Wang +2
Continuous-variable measurement-device-independent quantum key distribution (CV-MDI QKD) can address vulnerabilities on the detection side of a QKD system. The core of this protoco…
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…
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…
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…
High Efficiency Postprocessing for Continuous-variable Quantum Key Distribution: Using All Raw Keys for Parameter Estimation and Key Extraction
Xiangyu Wang, Yi-Chen Zhang, Song Yu +1
High efficiency postprocessing of continuous-variable quantum key distribution system has a significant impact on the secret key rate and transmission distance of the system. Curre…
High-speed Implementation of Length-compatible Privacy Amplification in Continuous-variable Quantum Key Distribution
Xiangyu Wang, Yi-Chen Zhang, Song Yu +1
Privacy amplification is an indispensable step in postprocessing of continuous-variable quantum key distribution (CV-QKD), which is used to distill unconditional secure keys from i…
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…
High speed error correction for continuous-variable quantum key distribution with multi-edge type LDPC code
Xiangyu Wang, Yi-Chen Zhang, Song Yu +1
Error correction is a significant step in postprocessing of continuous-variable quantum key distribution system, which is used to make two distant legitimate parties share identica…
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…
Finite-size analysis of continuous-variable measurement-device-independent quantum key distribution
Xueying Zhang, Yi-Chen Zhang, Yijia Zhao +3
We study the impact of the finite-size effect on the continuous-variable measurement-device-independent quantum key distribution (CV-MDI QKD) protocol, mainly considering the finit…
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…
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…