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20232026
most citedExperimental Aspects of Indefinite Causal Order in Quantum Mechanics

41 citations · 67 across the 14 of their papers we have counts for

collaborators

14 papers

quant-ph2026

Imaginarity witness

Zhiqi Liang, Yufan Lin, Yu Guo +1

Imaginarity has shown to be an important resource in quantum information. The witness theory of quantum resource, such as entanglement witness, coherence witness, and imaginarity w…

quant-ph2026

Computable lower bound of the parameterized entanglement monotone

Ning Yang, Yu Guo, Shuanping Du

Although numerous measures of entanglement have been proposed so far, the calculation of a given faithful entanglement measure is a hard work since it is always involved in some op…

quant-ph2026

Unified entropy entanglement

Wenxue Ren, Binghao Li, Ruiqun Niu +2

The unified entropy as a promotion of the von Neumann entropy exhibits distinct diversity which contains the Tsallis entropy, the Rényi entropy, the von Neumann entropy as special…

quant-ph2026

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…

quant-ph2026

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…

quant-ph2025★ 1 cited

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…

quant-ph2025★ 11 cited

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…

quant-ph2025

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…

quant-ph2025

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…

quant-ph2025★ 11 cited

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…

quant-ph2024★ 1 cited

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…

quant-ph2024

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…

quant-ph2024★ 41 cited

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…

quant-ph2023★ 2 cited

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…