234 citations · 540 across the 19 of their papers we have counts for
19 papers
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…
Universal mobility characteristics of graphene originating from electron/hole scattering by ionised impurities
Jonathan H. Gosling, Oleg Makarovsky, Feiran Wang +7
Pristine graphene and graphene-based heterostructures exhibit exceptionally high electron mobility and conductance if their surface contains few electron-scattering impurities. Her…
Enhancement of spatial resolution of ghost imaging via localizing and thresholding
Yunlong Wang, Yingnan Zhou, Shaoxiong Wang +5
In ghost imaging scheme, an illuminated light is split into test and reference beams which pass through two different optical systems respectively and an image is constructed by th…
An experimental measurement of the topological charge of orbital angular momentum beams through weak measurement
Jing Zhu, Pei Zhang, Qichang Li +7
As a special experimental technique, weak measurement extracts very little information about the measured system and will not cause the measured state collapse. When coupling the o…
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…
Spatial sub-Rayleigh imaging analysis via speckle laser illumination
Yunlong Wang, Feiran Wang, Ruifeng Liu +4
It is commonly accepted that optical sub-Rayleigh imaging has potential application in many fields. In this Letter, by confining the divergence of the optical field, as well as the…
Measuring mode indices of a partially coherent vortex beam with HBT type experiment
Ruifeng Liu, Feiran Wang, Dongxu Chen +5
It is known that the cross-correlation function (CCF) of a partially coherent vortex (PCV) beam shows a robust link with the radial and azimuthal mode indices. However, the previou…
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…
Evaluating Laguerre-Gaussian beams with an invariant parameter
Junling Long, Ruifeng Liu, Yunlong Wang +4
We define a new parameter about Laguerre-Gaussian (LG) beams, named , which is only related to mode indices and . This parameter is able to both evaluate and dist…
Characterizing vortex beam with angular-double-slit interference
Ruifeng Liu, Junling Long, Feiran Wang +4
The Fraunhofer diffraction intensity distribution of Laguerre-Gaussian beam is studied in an angular-double-slit interferometer. We demonstrate that the spiral phase structure of v…
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…