2.3k citations · 8.5k across the 61 of their papers we have counts for
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Experimental Quantum Channel Purification
Yue-Yang Fei, Zhenhuan Liu, Rui Zhang +7
Quantum networks, which integrate multiple quantum computers and the channels connecting them, are crucial for distributed quantum information processing but remain inherently susc…
Entanglement Superactivation in Multiphoton Distillation Networks
Rui Zhang, Yue-Yang Fei, Zhenhuan Liu +9
In quantum networks, after passing through noisy channels or information processing, residual states may lack sufficient entanglement for further tasks, yet they may retain hidden…
Entanglement Detection with Variational Quantum Interference: Theory and Experiment
Rui Zhang, Zhenhuan Liu, Chendi Yang +7
Entanglement detection is a fundamental task in quantum information science, serving as a cornerstone for quantum benchmarking and foundational studies. With an increasing qubit nu…
Local unitary equivalence of arbitrary-dimensional multipartite quantum states
Qing Zhou, Yi-Zheng Zhen, Xin-Yu Xu +6
Local unitary equivalence is an important ingredient for quantifying and classifying entanglement. Verifying whether or not two quantum states are local unitary equivalent is a cru…
Gaussian Boson Sampling with Pseudo-Photon-Number Resolving Detectors and Quantum Computational Advantage
Yu-Hao Deng, Yi-Chao Gu, Hua-Liang Liu +26
We report new Gaussian boson sampling experiments with pseudo-photon-number-resolving detection, which register up to 255 photon-click events. We consider partial photon distinguis…
Unconditional and robust quantum metrological advantage beyond NOON states
Jian Qin, Yu-Hao Deng, Han-Sen Zhong +13
Quantum metrology employs quantum resources to enhance the measurement sensitivity beyond that can be achieved classically. While multi-photon entangled NOON states can in principl…
Solving Graph Problems Using Gaussian Boson Sampling
Yu-Hao Deng, Si-Qiu Gong, Yi-Chao Gu +21
Gaussian boson sampling (GBS) is not only a feasible protocol for demonstrating quantum computational advantage, but also mathematically associated with certain graph-related and q…
A generic framework for genuine multipartite entanglement detection
Xin-Yu Xu, Qing Zhou, Shuai Zhao +4
Design of detection strategies for multipartite entanglement stands as a central importance on our understanding of fundamental quantum mechanics and has had substantial impact on…
Portable ground stations for space-to-ground quantum key distribution
Ji-Gang Ren, Maimaiti Abulizi, Hai-Lin Yong +23
Quantum key distribution (QKD) uses the fundamental principles of quantum mechanics to share unconditionally secure keys between distant users. Previous works based on the quantum…
Loss-tolerant all-photonic quantum repeater with generalized Shor code
Rui Zhang, Li-Zheng Liu, Zheng-Da Li +7
The all-photonic quantum repeater (APQR) is a promising repeater scheme to realize long-distance quantum communication. For a practical APQR, an indispensable requirement is the ro…
Efficient Bipartite Entanglement Detection Scheme with a Quantum Adversarial Solver
Xu-Fei Yin, Yuxuan Du, Yue-Yang Fei +10
The recognition of entanglement states is a notoriously difficult problem when no prior information is available. Here, we propose an efficient quantum adversarial bipartite entang…
Robust self-testing of multipartite GHZ-state measurements in quantum networks
Qing Zhou, Xin-Yu Xu, Shuai Zhao +4
Self-testing is a device-independent examination of quantum devices based on correlations of observed statistics. Motivated by elegant progresses on self-testing strategies for mea…
Implementation of a 46-node quantum metropolitan area network
Teng-Yun Chen, Xiao Jiang, Shi-Biao Tang +22
Quantum key distribution (QKD) enables secure key exchanges between two remote users. The ultimate goal of secure communication is to establish a global quantum network. The existi…
Directly Measuring a Multiparticle Quantum Wave Function via Quantum Teleportation
Ming-Cheng Chen, Yuan Li, Run-Ze Liu +7
We propose a new method to directly measure a general multi-particle quantum wave function, a single matrix element in a multi-particle density matrix, by quantum teleportation. Th…
Phase-Programmable Gaussian Boson Sampling Using Stimulated Squeezed Light
Han-Sen Zhong, Yu-Hao Deng, Jian Qin +23
The tantalizing promise of quantum computational speedup in solving certain problems has been strongly supported by recent experimental evidence from a high-fidelity 53-qubit super…
Robust Self-Testing of Multiparticle Entanglement
Dian Wu, Qi Zhao, Xue-Mei Gu +10
Quantum self-testing is a device-independent way to certify quantum states and measurements using only the input-output statistics, with minimal assumptions about the quantum devic…
Experimental demonstration of quantum pigeonhole paradox
Ming-Cheng Chen, Chang Liu, Yi-Han Luo +7
We experimentally demonstrate that when three single photons transmit through two polarization channels, in a well-defined pre- and postselected ensemble, there are no two photons…
Distributed quantum phase estimation with entangled photons
Li-Zheng Liu, Yu-Zhe Zhang, Zheng-Da Li +8
Distributed quantum metrology can enhance the sensitivity for sensing spatially distributed parameters beyond the classical limits. Here we demonstrate distributed quantum phase es…
Quantum computational advantage using photons
Han-Sen Zhong, Hui Wang, Yu-Hao Deng +21
Gaussian boson sampling exploits squeezed states to provide a highly efficient way to demonstrate quantum computational advantage. We perform experiments with 50 input single-mode…
Cloning of Quantum Entanglement
Li-Chao Peng, Dian Wu, Han-Sen Zhong +12
Quantum no-cloning, the impossibility of perfectly cloning an arbitrary unknown quantum state, is one of the most fundamental limitations due to the laws of quantum mechanics, whic…
Heralded non-destructive quantum entangling gate with single-photon sources
Jin-Peng Li, Xuemei Gu, Jian Qin +10
Heralded entangling quantum gates are an essential element for the implementation of large-scale optical quantum computation. Yet, the experimental demonstration of genuine heralde…
Open-destination measurement-device-independent quantum key distribution network
Wen-Fei Cao, Yi-Zheng Zhen, Yu-Lin Zheng +6
Quantum key distribution (QKD) networks hold promise for sharing secure randomness over multi-partities. Most existing QKD network schemes and demonstrations are based on trusted r…
Quantum teleportation of physical qubits into logical code-spaces
Yi-Han Luo, Ming-Cheng Chen, Manuel Erhard +13
Quantum error correction is an essential tool for reliably performing tasks for processing quantum information on a large scale. However, integration into quantum circuits to achie…
Phase-Matching Quantum Cryptographic Conferencing
Shuai Zhao, Pei Zeng, Wen-Fei Cao +6
Quantum cryptographic conferencing (QCC) holds promise for distributing information-theoretic secure keys among multiple users over long distance. Limited by the fragility of Green…