activity
20142021
most citedField and long-term demonstration of a wide area quantum key distribution network

286 citations · 538 across the 11 of their papers we have counts for

collaborators

11 papers

quant-ph2021

Optimal Verification of the Bell State and Greenberger-Horne-Zeilinger States in Untrusted Quantum Networks

Yun-Guang Han, Zihao Li, Yukun Wang +1

Bipartite and multipartite entangled states are basic ingredients for constructing quantum networks and their accurate verification is crucial to the functioning of the networks, e…

quant-ph2020★ 41 cited

Optimal verification of stabilizer states

Ninnat Dangniam, Yun-Guang Han, Huangjun Zhu

Statistical verification of a quantum state aims to certify whether a given unknown state is close to the target state with confidence. So far, sample-optimal verification protocol…

quant-ph2020★ 33 cited

Verification of phased Dicke states

Zihao Li, Yun-Guang Han, Hao-Feng Sun +2

Dicke states are typical examples of quantum states with genuine multipartite entanglement. They are valuable resources in many quantum information processing tasks, including mult…

quant-ph2019★ 43 cited

Optimal Verification of Greenberger-Horne-Zeilinger States

Zihao Li, Yun-Guang Han, Huangjun Zhu

We construct optimal protocols for verifying qubit and qudit GHZ states using local projective measurements. When the local dimension is a prime, an optimal protocol is constructed…

quant-ph2019★ 57 cited

Efficient verification of bipartite pure states

Zihao Li, Yun-Guang Han, Huangjun Zhu

We propose practical and efficient protocols for verifying bipartite pure states for any finite dimension, which can also be applied to fidelity estimation. Our protocols are based…

quant-ph2017

Round-robin-differential-phase-shift quantum key distribution with and without monitoring signal disturbance

Zhen-Qiang Yin, Shuang Wang, Wei Chen +4

Round-robin-differential-phase (RRDPS) quantum key distribution (QKD) protocol has attracted intensive studies due to its distinct security characteristic, e.g., information leakag…

physics.ins-det2016★ 39 cited

Non-Markovian property of afterpulsing effect in single-photon avalanche detector

Fang-Xiang Wang, Wei Chen, Ya-Ping Li +6

The single-photon avalanche photodiode(SPAD) has been widely used in research on quantum optics. The afterpulsing effect, which is an intrinsic character of SPAD, affects the syste…

physics.ins-det2016★ 1 cited

Non-Markov property of afterpulsing effect in single-photon avalanche detector

Fang-Xiang Wang, Wei Chen, Ya-Ping Li +6

Single-photon avalanche photodiode(SPAD) has been widely used in researching of quantum optics. Afterpulsing effect, which is an intrinsic character of SPAD, affects the system per…

quant-ph2014★ 18 cited

Decoy state measurement-device-independent quantum key distribution based on the Clauser-Horne-Shimony-Holt inequality

Chun-Mei Zhang, Mo Li, Hong-Wei Li +10

The measurement-device-independent quantum key distribution (MDI-QKD) protocol is proposed to remove the detector side channel attacks, while its security relies on the assumption…

quant-ph2014★ 286 cited

Field and long-term demonstration of a wide area quantum key distribution network

Shuang Wang, Wei Chen, Zhen-Qiang Yin +20

A wide area quantum key distribution (QKD) network deployed on communication infrastructures provided by China Mobile Ltd. is demonstrated. Three cities and two metropolitan area Q…

quant-ph2014★ 20 cited

Security of modified Ping-Pong protocol in noisy and lossy channel

Yun-Guang Han, Zhen-Qiang Yin, Hong-Wei Li +4

The "Ping-Pong" (PP) protocol is a two-way quantum key protocol based on entanglement. In this protocol, Bob prepares one maximally entangled pair of qubits, and sends one qubit to…