576 citations · 3k across the 75 of their papers we have counts for
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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…
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…
Simultaneous Verification of Genuine Multipartite Nonlocality and Full Network Nonlocality
Wang Ning-Ning, Yang Xue, Yang Yan-Han +6
Genuine multipartite nonlocality and nonlocality arising in networks composed of several independent sources have been separately investigated. While some genuinely entangled state…
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…
Experimental Aspects of Indefinite Causal Order in Quantum Mechanics
Lee A. Rozema, Teodor Strömberg, Huan Cao +3
In the past decade, the toolkit of quantum information has been expanded to include processes in which the basic operations do not have definite causal relations. Originally consid…
Experimental genuine quantum nonlocality in the triangle network
Ning-Ning Wang, Chao Zhang, Huan Cao +8
In the last decade, it was understood that quantum networks involving several independent sources of entanglement which are distributed and measured by several parties allowed for…
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…
Experimental verification of the steering ellipsoid zoo via two-qubit states
Kai Xu, Lijun Liu, Ning-Ning Wang +6
Quantum steering ellipsoid visualizes the set of all qubit states that can be steered by measuring on another correlated qubit in the Bloch picture. Together with local reduced sta…
Experimental verification of bound and multiparticle entanglement with the randomized measurement toolbox
Chao Zhang, Yuan-Yuan Zhao, Nikolai Wyderka +10
In recent years, analysis methods for quantum states based on randomized measurements have been investigated extensively. Still, in the experimental implementations these methods w…
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 super-Heisenberg quantum metrology with indefinite gate order
Peng Yin, Xiaobin Zhao, Yuxiang Yang +10
The precision of quantum metrology is widely believed to be restricted by the Heisenberg limit, corresponding to a root mean square error that is inversely proportional to the numb…
Experimental demonstration of quantum cooling engine powered by entangled measurement
Ning-Ning Wang, Huan Cao, Chao Zhang +5
Traditional refrigeration is driven either by external force or an information-feedback mechanism. Surprisingly, the quantum measurement and collapse, which are generally detriment…
Certification of non-classicality in all links of a photonic star network without assuming quantum mechanics
Ning-Ning Wang, Alejandro Pozas-Kerstjens, Chao Zhang +6
Networks composed of independent sources of entangled particles that connect distant users are a rapidly developing quantum technology and an increasingly promising test-bed for fu…
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 beating the standard quantum limit under non-markovian dephasing environment
Huan Cao, Chao Zhang, Yun-Feng Huang +4
Entanglement enhanced quantum metrology has been well investigated for beating the standard quantum limit (SQL). However, the metrological advantage of entangled states becomes muc…