3.3k citations · 11.2k across the 70 of their papers we have counts for
70 papers
Virtual quantum resource distillation: General framework and applications
Ryuji Takagi, Xiao Yuan, Bartosz Regula +1
We develop the general framework of virtual resource distillation -- an alternative distillation strategy proposed in [Phys. Rev. Lett. 132, 050203 (2024)], which extends conventio…
Coreset selection can accelerate quantum machine learning models with provable generalization
Yiming Huang, Huiyuan Wang, Yuxuan Du +1
Quantum neural networks (QNNs) and quantum kernels stand as prominent figures in the realm of quantum machine learning, poised to leverage the nascent capabilities of near-term qua…
Quantification of Entanglement and Coherence with Purity Detection
Ting Zhang, Graeme Smith, John A. Smolin +7
Entanglement and coherence are fundamental properties of quantum systems, promising to power near future quantum technologies, such as quantum computation, quantum communication an…
Efficient Characterizations of Multiphoton States with an Ultra-thin Optical Device
Kui An, Zilei Liu, Ting Zhang +7
Metasurface enables the generation and manipulation of multiphoton entanglement with flat optics, providing a more efficient platform for large-scale photonic quantum information p…
Virtual quantum resource distillation
Xiao Yuan, Bartosz Regula, Ryuji Takagi +1
Distillation, or purification, is central to the practical use of quantum resources in noisy settings often encountered in quantum communication and computation. Conventionally, di…
Experimental investigation of quantum uncertainty relations with classical shadows
Lu Liu, Ting Zhang, Xiao Yuan +1
The quantum component in uncertainty relation can be naturally characterized by the quantum coherence of a quantum state, which is of paramount importance in quantum information sc…
Schrödinger-Heisenberg Variational Quantum Algorithms
Zhong-Xia Shang, Ming-Cheng Chen, Xiao Yuan +2
Recent breakthroughs have opened the possibility to intermediate-scale quantum computing with tens to hundreds of qubits, and shown the potential for solving classical challenging…
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…
Universal quantum algorithmic cooling on a quantum computer
Pei Zeng, Jinzhao Sun, Xiao Yuan
Quantum cooling, a deterministic process that drives any state to the lowest eigenstate, has been widely used from studying ground state properties of chemistry and condensed matte…
Experimental quantum state measurement with classical shadows
Ting Zhang, Jinzhao Sun, Xiao-Xu Fang +3
A crucial subroutine for various quantum computing and communication algorithms is to efficiently extract different classical properties of quantum states. In a notable recent theo…
Perturbative quantum simulation
Jinzhao Sun, Suguru Endo, Huiping Lin +3
Approximation based on perturbation theory is the foundation for most of the quantitative predictions of quantum mechanics, whether in quantum many-body physics, chemistry, quantum…
Overlapped grouping measurement: A unified framework for measuring quantum states
Bujiao Wu, Jinzhao Sun, Qi Huang +1
Quantum algorithms designed for realistic quantum many-body systems, such as chemistry and materials, usually require a large number of measurements of the Hamiltonian. Exploiting…
Efficient measure for the expressivity of variational quantum algorithms
Yuxuan Du, Zhuozhuo Tu, Xiao Yuan +1
The superiority of variational quantum algorithms (VQAs) such as quantum neural networks (QNNs) and variational quantum eigen-solvers (VQEs) heavily depends on the expressivity of…
Exploiting anticommutation in Hamiltonian simulation
Qi Zhao, Xiao Yuan
Quantum computing can efficiently simulate Hamiltonian dynamics of many-body quantum physics, a task that is generally intractable with classical computers. The hardness lies at th…
Low-depth Quantum State Preparation
Xiao-Ming Zhang, Man-Hong Yung, Xiao Yuan
A crucial subroutine in quantum computing is to load the classical data of complex numbers into the amplitude of a superposed -qubit state. It has been…
Quantum Random Number Generation with Uncharacterized Laser and Sunlight
Yu-Huai Li, Xuan Han, Yuan Cao +8
The entropy or randomness source is an essential ingredient in random number generation. Quantum random number generators generally require well modeled and calibrated light source…
One-shot dynamical resource theory
Xiao Yuan, Pei Zeng, Minbo Gao +1
A fundamental problem in resource theory is to study the manipulation of the resource. Focusing on a general dynamical resource theory of quantum channels, here we consider tasks o…
Variational Quantum Algorithms
M. Cerezo, Andrew Arrasmith, Ryan Babbush +8
Applications such as simulating complicated quantum systems or solving large-scale linear algebra problems are very challenging for classical computers due to the extremely high co…
Hybrid quantum-classical algorithms and quantum error mitigation
Suguru Endo, Zhenyu Cai, Simon C. Benjamin +1
Quantum computers can exploit a Hilbert space whose dimension increases exponentially with the number of qubits. In experiment, quantum supremacy has recently been achieved by the…
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…
Efficient estimation of multipartite quantum coherence
Qi-Ming Ding, Xiao-Xu Fang, Xiao Yuan +2
Quantification of coherence lies at the heart of quantum information processing and fundamental physics. Exact evaluation of coherence measures generally needs a full reconstructio…
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,…
Quantum simulation with hybrid tensor networks
Xiao Yuan, Jinzhao Sun, Junyu Liu +2
Tensor network theory and quantum simulation are respectively the key classical and quantum computing methods in understanding quantum many-body physics. Here, we introduce the fra…
Mitigating realistic noise in practical noisy intermediate-scale quantum devices
Jinzhao Sun, Xiao Yuan, Takahiro Tsunoda +3
Quantum error mitigation (QEM) is vital for noisy intermediate-scale quantum (NISQ) devices. While most conventional QEM schemes assume discrete gate-based circuits with noise appe…