33 Result(s)
within
Fu-**ng Deng
Physics
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Article
Open AccessGlobal correlation and local information flows in controllable non-Markovian open quantum dynamics
In a fully-controllable experiment platform for studying non-Markovian open quantum dynamics, we show that the non-Markovianity could be investigated from the global and local aspects. By mixing random unitary...
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Article
Calibrating the linearity between grayscale and element content for X-ray KES imaging of alloys
Doped elements in alloys significantly impact their performance. Conventional methods usually sputter the surface material of the sample, or their performance is limited to the surface of alloys owing to their...
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Article
Efficient quantum simulation of open quantum dynamics at various Hamiltonians and spectral densities
Simulation of open quantum dynamics for various Hamiltonians and spectral densities are ubiquitous for studying various quantum systems. On a quantum computer, only log2N qubits are required for the simulation of...
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Article
Discovery of oscillations above 200 keV in a black hole X-ray binary with Insight-HXMT
Low-frequency quasiperiodic oscillations (LFQPOs) are commonly found in black hole X-ray binaries, and their origin is still under debate. The properties of LFQPOs at high energies (above 30 keV) are closely r...
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Article
High-Efficiency Three-Party Quantum Key Agreement Protocol with Quantum Dense Coding and Bell States
We propose a high-efficiency three-party quantum key agreement protocol, by utilizing two-photon polarization-entangled Bell states and a few single-photon polarization states as the information carriers, and ...
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Article
Quantum error rejection for faithful quantum communication over noise channels
Quantum state transmission is a prerequisite for various quantum communication networks. The channel noise inevitably introduces distortion of quantum states passing through either a free-space channel or a fi...
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Article
One-step entanglements generation on distant superconducting resonators in the dispersive regime
We present a scalable quantum-bus-based device for generating the entanglement on photons in distant superconducting resonators (SRs). The device is composed of some one-dimensional (1D) SRs
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Article
Open AccessEfficient quantum simulation of photosynthetic light harvesting
Near-unity energy transfer efficiency has been widely observed in natural photosynthetic complexes. This phenomenon has attracted broad interest from different fields, such as physics, biology, chemistry, and ...
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Article
Optimal Synthesis of the Joint Unitary Evolutions
Joint unitary operations play a central role in quantum communication and computation. We give a quantum circuit for implementing a type of unconstructed useful joint unitary evolutions in terms of controlled-...
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Article
General hyperentanglement concentration for polarization-spatial-time-bin multi-photon systems with linear optics
Hyperentanglement has attracted considerable attention recently because of its high-capacity for long-distance quantum communication. In this study, we present a hyperentanglement concentration protocol (hyper...
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Article
Bell-state generation on remote superconducting qubits with dark photons
We present a scheme to generate the Bell state deterministically on remote transmon qubits coupled to different 1D superconducting resonators connected by a long superconducting transmission line. Using the co...
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Article
Efficient Entanglement Concentration of Nonlocal Two-Photon Polarization-Time-Bin Hyperentangled States
We present two different hyperentanglement concentration protocols (hyper-ECPs) for two-photon systems in nonlocal polarization-time-bin hyperentangled states with known parameters, including Bell-like and clu...
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Hyperentanglement concentration for polarization–spatial–time-bin hyperentangled photon systems with linear optics
Hyperentanglement has significant applications in quantum information processing. Here we present an efficient hyperentanglement concentration protocol (hyper-ECP) for partially hyperentangled Bell states simu...
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Article
Practical entanglement concentration of nonlocal polarization-spatial hyperentangled states with linear optics
We present some different hyperentanglement concentration protocols (hyper-ECPs) for nonlocal N-photon systems in partially polarization-spatial hyperentangled states with known parameters, resorting to linear op...
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Article
Multi-photon self-error-correction hyperentanglement distribution over arbitrary collective-noise channels
We present a self-error-correction spatial-polarization hyperentanglement distribution scheme for N-photon systems in a hyperentangled Greenberger–Horne–Zeilinger state over arbitrary collective-noise channels. I...
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Article
Quantum Information Splitting of a Two-qubit Bell State Using a Five-qubit Entangled State
A scheme for quantum information splitting of a two-qubit Bell state using a five-qubit entangled state as quantum channel is proposed. In the scheme,a genuine five-qubit entangled can be used as the quantum c...
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Article
Open AccessQuantum Information Splitting of Arbitrary Three-Qubit State by Using Seven-Qubit Entangled State
In this paper, we propose a scheme of quantum information splitting arbitrary three-qubit state by using seven-qubit entangled as quantum channel. The sender Alice first performs Bell-state measurements (BSMs)...
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Article
High-efficiency atomic entanglement concentration for quantum communication network assisted by cavity QED
Quantum entanglement is the key resource in quantum information processing, especially in quantum communication network. However, affected by the environment noise, the maximally entangled states usually colla...
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Article
Efficient Generation of Quantum Cluster Entangled States for Distant Diamond Nitrogen-Vacancy Centers
We present an efficient scheme for creating electronic quantum cluster entangled states associated with distant diamond nitrogen-vacancy (NV) centers coupled to microtoroidal resonators using parity-check and ...
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Article
Quantum information splitting of arbitrary two-qubit state by using four-qubit cluster state and Bell-state
In this paper, we proposed a scheme for quantum information splitting of arbitrary two-qubit by using four-qubit cluster state and Bell-state as quantum channel. The splitter (Alice) and two receivers (Bob and...
