443 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Beijing University of Posts and TelecommunicationsCN46 papers
- Peking UniversityCN20 papers
- State Key Laboratory of Advanced Optical Communication Systems and Networks15 papers
- University of TorontoCA5 papers
- Photonics (United States)US3 papers
- Beijing Computational Science Research CenterCN2 papers
- Beijing Institute of TechnologyCN2 papers
- Beijing Normal UniversityCN2 papers
- Collaborative Innovation Center of Quantum MatterCN2 papers
- Eindhoven University of TechnologyNL2 papers
- Lanzhou UniversityCN2 papers
- Massachusetts Institute of TechnologyUS2 papers
27 papers · 1 filter
PT -symmetry breaking and universal spectral statistics in quantum kicked rotors
Guang Li, Fuxing Chen, Ping Fang
We investigate the spontaneous parity-time (PT )-symmetry breaking and spectral properties of a PT symmetric quantum kicked rotor under resonance conditions. At resonance, the QKR…
A modified practical homodyne detector model for continuous-variable quantum key distribution: detailed security analysis and improvement by the phase-sensitive amplifier
Yundi Huang, Yi-Chen Zhang, Luyu Huang +1
The practical homodyne detector model of continuous-variable quantum key distribution models the inherent imperfections of the practical homodyne detector, namely the limited detec…
Experimental simulation of the Parity-Time-symmetric dynamics using photonics qubits
Wei-Chao Gao, Chao Zheng, Lu Liu +2
The concept of parity-time (PT) symmetry originates from the framework of quantum mechanics, where if the Hamiltonian operator satisfies the commutation relation with the parity an…
Resilience of the superradiant phase against effects in the quantum Rabi dimer
Yimin Wang, Maoxin Liu, Wen-Long You +3
We explore the quantum criticality of a two-site model combining quantum Rabi models with hopping interaction. Through a combination of analytical and numerical approaches, we find…
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…
Quantum phase transitions and critical behaviors in the two-mode three-level quantum Rabi model
Yan Zhang, Bin-Bin Mao, Dazhi Xu +4
We explore an extended quantum Rabi model describing the interaction between a two-mode bosonic field and a three-level atom. Quantum phase transitions of this few degree of freedo…
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…
Intercore spontaneous Raman scattering impact on quantum key distribution in multicore fber
Chun Cai, Yongmei Sun, Yuefeng Ji
We propose a model, for the first time, to quantitatively estimate the intercore spontaneous Raman scattering (ICSRS) in multicore fber (MCF) based on the characterization of inter…
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…
Reference-Frame-Independent Quantum Key Distribution Using Fewer States
Hongwei Liu, Jipeng Wang, Haiqiang Ma +1
Reference-frame-independent quantum key distribution (RFI QKD) protocol can reduce the requirement on the alignment of reference frames in practical systems. However, comparing wit…
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…
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…
6 Gbps real-time optical quantum random number generator based on vacuum fluctuation
Ziyong Zheng, Yi-Chen Zhang, Weinan Huang +2
We demonstrate a 6 Gbps real-time optical quantum random number generator by measuring vacuum fluctuation. To address the common problem that speed gap exists between fast randomne…
Polarization attack on continuous-variable quantum key distribution
Yijia Zhao, Yi-Chen Zhang, Yundi Huang +3
The shot-noise unit (SNU) is a crucial factor for the practical security of a continuous-variable quantum key distribution system. In the most widely used experimental scheme, the…
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…
Continuous-variable measurement-device-independent quantum key distribution with virtual photon subtraction
Yijia Zhao, Yi-Chen Zhang, Bingjie Xu +2
The method of improving the performance of continuous-variable quantum key distribution protocols by post-selection has been recently proposed and verified. In continuous-variable…
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…
Quantum Key Distribution with High Order Fibonacci-like Orbital Angular Momentum States
Ziwen Pan, Jiarui Cai, Chuan Wang
The coding space in quantum communication could be expanded to high-dimensional space by using orbital angular momentum (OAM) states of photons, as both the capacity of the channel…
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…
Experimental Measurement-Device-Independent Quantum Key Distribution with Imperfect Sources
Zhiyuan Tang, Kejin Wei, Olinka Bedroya +2
Measurement-device-independent quantum key distribution (MDI-QKD), which is immune to all detector side-channel attacks, is the most promising solution to the security issues in pr…
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…
Experimental quantum key distribution with source flaws
Feihu Xu, Kejin Wei, Shihan Sajeed +6
Decoy-state quantum key distribution (QKD) is a standard technique in current quantum cryptographic implementations. Unfortunately, existing experiments have two important drawback…