3.7k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Chinese Academy of SciencesCN257 papers
- Beijing Academy of Quantum Information SciencesCN235 papers
- Peking UniversityCN220 papers
- University of Science and Technology of ChinaCN204 papers
- Tsinghua UniversityCN193 papers
- University of Chinese Academy of SciencesCN143 papers
- University of Hong KongHK135 papers
- Institute of PhysicsPL94 papers
- National University of SingaporeSG94 papers
- Peng Cheng LaboratoryCN94 papers
- Hong Kong University of Science and TechnologyHK93 papers
- Fudan UniversityCN90 papers
53 papers · 2 filters
Learning Quantum Hamiltonians from Single-qubit Measurements
Liangyu Che, Chao Wei, Yulei Huang +6
It is natural to measure the observables from the Hamiltonian-based quantum dynamics, and its inverse process that Hamiltonians are estimated from the measured data also is a vital…
Deterministic multi-qubit entanglement in a quantum network
Youpeng Zhong, Hung-Shen Chang, Audrey Bienfait +8
Quantum entanglement is a key resource for quantum computation and quantum communication \cite{Nielsen2010}. Scaling to large quantum communication or computation networks further…
Local distinguishability based genuinely quantum nonlocality without entanglement
Mao-Sheng Li, Yan-Ling Wang, Fei Shi +1
Recently, Halder \emph{et al.} [Phys. Rev. Lett. \textbf{122}, 040403 (2019)] proposed the concept strong nonlocality without entanglement: an orthogonal set of fully product state…
General theory of quantum fingerprinting network
Ji-Qian Qin, Jing-Tao Wang, Yun-Long Yu +1
The purpose of fingerprinting is to compare long messages with low communication complexity. Compared with its classical version, the quantum fingerprinting can realize exponential…
Realisation of adiabatic and diabatic CZ gates in superconducting qubits coupled with a tunable coupler
Huikai Xu, Weiyang Liu, Zhiyuan Li +11
High fidelity two-qubit gates are fundamental for scaling up the superconducting number. We use two qubits coupled via a frequency-tunable coupler which can adjust the coupling str…
Field demonstration of distributed quantum sensing without post-selection
Si-Ran Zhao, Yu-Zhe Zhang, Wen-Zhao Liu +12
Distributed quantum sensing can provide quantum-enhanced sensitivity beyond the shot-noise limit (SNL) for sensing spatially distributed parameters. To date, distributed quantum se…
Usefulness of adaptive strategies in asymptotic quantum channel discrimination
Farzin Salek, Masahito Hayashi, Andreas Winter
Adaptiveness is a key principle in information processing including statistics and machine learning. We investigate the usefulness of adaptive methods in the framework of asymptoti…
Low-depth Hamiltonian Simulation by Adaptive Product Formula
Zi-Jian Zhang, Jinzhao Sun, Xiao Yuan +1
Various Hamiltonian simulation algorithms have been proposed to efficiently study the dynamics of quantum systems on a quantum computer. The existing algorithms generally approxima…
Universal classical-quantum superposition coding and universal classical-quantum multiple access channel coding
Masahito Hayashi, Ning Cai
We derive universal classical-quantum superposition coding and universal classical-quantum multiple access channel code by using generalized packing lemmas for the type method. Usi…
A flux tunable superconducting quantum circuit based on Weyl semimetal MoTe2
K. L. Chiu, D. G. Qian, J. W. Qiu +7
Weyl semimetals for their exotic topological properties have drawn considerable attention in many research fields. When in combination with s-wave superconductors, the supercurrent…
-Uniform states and quantum information masking
Fei Shi, Mao-Sheng Li, Lin Chen +1
A pure state of parties with local dimension is called a -uniform state if all the reductions to parties are maximally mixed. Based on the connections among -unif…
Sending-or-not-sending twin-filed quantum key distribution with discrete phase modulation
Cong Jiang, Zong-Wen Yu, Xiao-Long Hu +1
We study the sending-or-not-sending (SNS) protocol with discrete phase modulation of coherent states. We first make the security of the SNS protocol with discrete phase modulation.…
Representation matching for delegated quantum computing
Yuxiang Yang, Masahito Hayashi
Many quantum computational tasks have inherent symmetries, suggesting a path to enhancing their efficiency and performance. Exploiting this observation, we propose representation m…
Error-Resilient Floquet Geometric Quantum Computation
Yuan-Sheng Wang, Bao-Jie Liu, Shi-Lei Su +1
We proposed a new geometric quantum computation (GQC) scheme, called Floquet GQC (FGQC), where error-resilient geometric gates based on periodically driven two-level systems can be…
Mutual information-assisted Adaptive Variational Quantum Eigensolver
Zi-Jian Zhang, Thi Ha Kyaw, Jakob S. Kottmann +2
Adaptive construction of ansatz circuits offers a promising route towards applicable variational quantum eigensolvers on near-term quantum hardware. Those algorithms aim to build u…
Coherent Control with User-Defined Passage
Bao-Jie Liu, Man-Hong Yung
Stimulated Raman adiabatic passage (STIRAP) is a standard technique to combat experimental imperfections and can be used to realize robust quantum state control, which has many app…
Hybrid quantum-classical approach to enhanced quantum metrology
Xiaodong Yang, Xi Chen, Jun Li +2
Quantum metrology plays a fundamental role in many scientific areas. However, the complexity of engineering entangled probes and the external noise raise technological barriers for…
Super-robust nonadiabatic geometric quantum control
Bao-Jie Liu, Yuan-Sheng Wang, Man-Hong Yung
Nonadiabatic geometric quantum computation (NGQC) and nonadiabatic holonomic quantum computation (NHQC) have been proposed to reduce the run time of geometric quantum gates. Howeve…
Single ion-qubit exceeding one hour coherence time
Pengfei Wang, Chun-Yang Luan, Mu Qiao +7
Realizing a long coherence time quantum memory is a major challenge of current quantum technology. Here, we report a single \Yb ion-qubit memory with over one hour coherence time,…
Experimental realization of phase-controlled dynamics with hybrid digital-analog approach
Ziyu Tao, Libo Zhang, Xiaole Li +9
Quantum simulation can be implemented in pure digital or analog ways, each with their pros and cons. By taking advantage of the universality of a digital route and the efficiency o…
Optimizing adiabatic quantum pathways via a learning algorithm
Xiaodong Yang, Ran Liu, Jun Li +1
Designing proper time-dependent control fields for slowly varying the system to the ground state that encodes the problem solution is crucial for adiabatic quantum computation. How…
Higher key rate of measurement-device-independent quantum key distribution through joint data processing
Cong Jiang, Zong-Wen Yu, Xiao-Long Hu +1
We propose a method named as double-scanning method, to improve the key rate of measurement-device-independent quantum key distribution (MDI-QKD) drastically. In the method, two pa…
Experimental Quantum Communication Enhancement by Superposing Trajectories
Giulia Rubino, Lee A. Rozema, Daniel Ebler +8
In quantum communication networks, wires represent well-defined trajectories along which quantum systems are transmitted. In spite of this, trajectories can be used as a quantum co…
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…