285 citations · 1.7k across the 47 of their papers we have counts for
48 papers
Experimental observation of entropic-singularity-induced nonadditive quantum communication in a qutrit platypus channel
Yu Guo, Bo-Xuan Wang, Xiao-Min Hu +4
The nonadditivity of channel capacity is a defining feature that distinguishes quantum communication from classical communication. In the quantum realm, the channel capacity is det…
Binarisation-loophole-free observation of high-dimensional quantum nonlocality
Jia-le Miao, Elna Svegborn, Zhuo Chen +7
Bell inequality tests based on high-dimensional entanglement usually require measurements that can resolve multiple possible outcomes. However, the implementation of high-dimension…
Toward Heisenberg Scaling in Non-Hermitian Metrology at the Quantum Regime
Xinglei Yu, Xinzhi Zhao, Liangsheng Li +4
Non-Hermitian quantum metrology, an emerging field at the intersection of quantum estimation and non-Hermitian physics, holds promise for revolutionizing precision measurement. Her…
Random access and high dimensional integrated quantum memory
Zhong-Wen Ou, Tian-Xiang Zhu, Peng-Jun Liang +5
Random-access quantum memory (RAQM) is a fundamental building block for scalable quantum networks and photonic quantum computing. While existing realizations rely on gaseous physic…
A Metropolitan-scale Multiplexed Quantum Repeater with Bell Nonlocality
Tian-Xiang Zhu, Chao Zhang, Zhong-Wen Ou +7
Quantum repeaters can overcome exponential photon loss in optical fibers, enabling heralded entanglement between distant quantum memories. The definitive benchmark for this entangl…
Experimental violation of a Bell-like inequality for causal order
Yu Guo, Hao Tang, Bo-Xuan Wang +9
Quantum mechanics is compatible with scenarios where physical processes happen in an indefinite order. In theory, this feature could be detected through violations of inequalities…
Observation of Genuine High-dimensional Multi-partite Non-locality in Entangled Photon States
Xiao-Min Hu, Cen-Xiao Huang, Nicola d'Alessandro +10
Quantum information science has leaped forward with the exploration of high-dimensional quantum systems, offering greater potential than traditional qubits in quantum communication…
Surpassing the Global Heisenberg Limit Using a High-effciency Quantum Switch
Yu Guo, Yuehan Chen, Geng Chen +5
Indefinite causal orders have been shown to enable a precision of inverse square N in quantum parameter estimation, where N is the number of independent processes probed in an expe…
Practical Advantage of Classical Communication in Entanglement Detection
Wen-Bo Xing, Min-Yu Lv, Lingxia Zhang +9
Entanglement is the cornerstone of quantum communication, yet conventional detection relies solely on local measurements. In this work, we present a unified theoretical and experim…
Quantum stochastic communication via high-dimensional entanglement
Chao Zhang, Jia-Le Miao, Xiao-Min Hu +6
Entanglement has the ability to enhance the transmission of classical information over a quantum channel. However, fully harvesting this advantage typically requires complex entang…
Experimental Catalytic Amplification of Asymmetry
Chao Zhang, Xiao-Min Hu, Feng Ding +6
The manipulation and transformation of quantum resources are key parts of quantum mechanics. Among them, asymmetry is one of the most useful operational resources, which is widely…
Randomness versus Nonlocality in Multi-input and Multi-output Quantum Scenario
Chao Zhang, Yi Li, Xiao-Min Hu +7
Device-independent randomness certification based on Bell nonlocality does not require any assumptions about the devices and therefore provides adequate security. Great effort has…
Demonstration of superior communication through thermodynamically free channels in an optical quantum switch
Hao Tang, Yu Guo, Xiao-Min Hu +4
The release of causal structure of physical events from a well-defined order to an indefinite one stimulates remarkable enhancements in various quantum information tasks. Some of t…
Higher-dimensional symmetric informationally complete measurement via programmable photonic integrated optics
Lan-Tian Feng, Xiao-Min Hu, Ming Zhang +11
Symmetric informationally complete measurements are both important building blocks in many quantum information protocols and the seminal example of a generalised, non-orthogonal, q…
Nonlocal photonic quantum gates over 7.0 km
Xiao Liu, Xiao-Min Hu, Tian-Xiang Zhu +8
Quantum networks provide a prospective paradigm to connect separated quantum nodes, which relies on the distribution of long-distance entanglement and active feedforward control of…
Compression of Entanglement Improves Quantum Communication
Yu Guo, Hao Tang, Jef Pauwels +7
Shared entanglement can significantly amplify classical correlations between systems interacting over a limited quantum channel. A natural avenue is to use entanglement of the same…
Preparation of multiphoton high-dimensional GHZ state
Wen-Bo Xing, Xiao-Min Hu, Yu Guo +3
Multipartite high-dimensional entanglement presents different physics from multipartite two-dimensional entanglement. However, how to prepare multipartite high-dimensional entangle…
Experimental demonstration of input-output indefiniteness in a single quantum device
Yu Guo, Zixuan Liu, Hao Tang +6
Quantum theory allows information to flow through a single device in a coherent superposition of two opposite directions, resulting into situations where the input-output direction…
Experimental implementation of Hardy-like quantum pigeonhole paradoxes
Shihao Ru, Cen-Xiao Huang, Xiao-Min Hu +7
We present the general Hardy-like quantum pigeonhole paradoxes for \textit{n}-particle states, and find that each of such paradoxes can be simply associated to an un-colorable solu…
Entanglement swapping and quantum correlations via Elegant Joint Measurements
Cen-Xiao Huang, Xiao-Min Hu, Yu Guo +8
We use hyper-entanglement to experimentally realize deterministic entanglement swapping based on quantum Elegant Joint Measurements. These are joint projections of two qubits onto…
Self-Testing of a Single Quantum System: Theory and Experiment
Xiao-Min Hu, Yi Xie, Atul Singh Arora +13
Certifying individual quantum devices with minimal assumptions is crucial for the development of quantum technologies. Here, we investigate how to leverage single-system contextual…
Experimental one-step deterministic entanglement purification
Cen-Xiao Huang, Xiao-Min Hu1, Bi-Heng Liu +4
Entanglement purification is to distill high-quality entangled states from low-quality entangled states. It is a key step in quantum repeaters, determines the efficiency and commun…
Maxwell Demon and Einstein-Podolsky-Rosen Steering
Meng-Jun Hu, Xiao-Min Hu, Yong-Sheng Zhang
The study of Maxwell demon and quantum entanglement is important because of its foundational significance in physics and its potential applications in quantum information. Previous…
Long-distance entanglement purification for quantum communication
Xiao-Min Hu, Cen-Xiao Huang, Yu-Bo Sheng +8
High-quality long-distance entanglement is essential for both quantum communication and scalable quantum networks. Entanglement purification is to distill high-quality entanglement…