234 citations · 540 across the 19 of their papers we have counts for
12 papers · 1 filter
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…
Multiparameter simultaneous optimal estimation with an SU(2) coding unitary evolution
Yu Yang, Shihao Ru, Min An +4
In a ubiquitous dynamics, achieving the simultaneous optimal estimation of multiple parameters is significant but difficult. Using quantum control to optimize this …
Quantum state transfer between two photons with polarization and orbital angular momentum via quantum teleportation technology
Shihao Ru, Min An, Yu Yang +5
Quantum teleportation is a useful quantum information technology to transmit quantum states between different degrees of freedom. We here report a quantum state transfer experiment…
Retrieving High-Dimensional Quantum Steering From a Noisy Environment with N Measurement Settings
Rui Qu, Yunlong Wang, Min An +6
One of the most often implied benefits of high-dimensional (HD) quantum systems is to lead to stronger forms of correlations, featuring increased robustness to noise. Here, we expe…
Experimental Demonstration of a Quantum Controlled-SWAP Gate with Multiple Degrees of Freedom of a Single Photon
Feiran Wang, Shihao Ru, Yunlong Wang +3
Optimizing the physical realization of quantum gates is important to build a quantum computer. The controlled-SWAP gate, also named Fredkin gate, can be widely applicable in variou…
Realization of a deterministic quantum Toffoli gate with a single photon
Shihao Ru, Yunlong Wang, Min An +3
Quantum controlled-logic gates, including controlled NOT gate and Toffoli gate, play critical roles in lots of quantum information processing schemes. We design and experimentally…
Experimental Demonstration of Efficient High-dimensional Quantum Gates with Orbital Angular Momentum
Yunlong Wang, Shihao Ru, Feiran Wang +2
Quantum gates are essential for the realization of quantum computer and have been implemented in various types of two-level systems. However, high-dimensional quantum gates are rar…
Verification of Kochen-Specker-type quantum contextuality with a single photon
Shihao Ru, Weidong Tang, Yunlong Wang +3
Contextuality provides one of the fundamental characterizations of quantum phenomena, and can be used as a resource in lots of quantum information processing. In this paper, we sum…
Generation of the Complete Four-dimensional Bell Basis
Feiran Wang, Manuel Erhard, Amin Babazadeh +3
The Bell basis is a distinctive set of maximally entangled two-particle quantum states that forms the foundation for many quantum protocols such as teleportation, dense coding and…
High-Dimensional Single-Photon Quantum Gates: Concepts and Experiments
Amin Babazadeh, Manuel Erhard, Feiran Wang +4
Transformations on quantum states form a basic building block of every quantum information system. From photonic polarization to two-level atoms, complete sets of quantum gates for…
Demonstration of quantum permutation algorithm with a single photon ququart
Feiran Wang, Yunlong Wang, Ruifeng Liu +4
We report an experiment to demonstrate a quantum permutation determining algorithm with linear optical system. By employing photon polarization and spatial modes, we realize the qu…
Uncertainty relation of mixed states by means of Wigner-Yanase-Dyson information
D. Li, X. Li, F. Wang +2
The variance of an observable in a quantum state is usually used to describe Heisenberg uncertainty relation. For mixed states, the variance includes quantum uncertainty and classi…