1.6k citations · 2.5k across the 19 of their papers we have counts for
17 papers · 1 filter
Tunable quantum router with giant atoms, implementing quantum gates, teleportation, non-reciprocity, and circulators
Rui-Yang Gong, Zi-Yu He, Cheng-He Yu +3
The unique photon-scattering phenomena of giant-atom systems offer a novel paradigm for exploring innovative quantum optics phenomena and applications. Here, we investigate a giant…
Controllable Operations of Edge States in Cross-One-dimensional Topological Chains
Xian-Liang Lu, Ze-Liang Xiang
Topological edge states are recently attracting intense interest due to their robustness in the presence of disorder and defects. However, most approaches for manipulating such sta…
Heisenberg-limited spin squeezing in a hybrid system with Silicon-Vacancy centers
Zhen-Qiang Ren, Xian-Liang Lu, Ze-Liang Xiang
In this paper, we investigate spin squeezing in a hybrid quantum system consisting of a Silicon-Vacancy (SiV) center ensemble coupled to a diamond acoustic waveguide via the strain…
Quantum Phase Transitions in Optomechanical Systems
Bo Wang, Franco Nori, Ze-Liang Xiang
In this letter, we investigate the ground state properties of an optomechanical system consisting of a coupled cavity and mechanical modes. An exact solution is given when the rati…
Fast Generation of High-Fidelity Mechanical Non-Gaussian States via Additional Amplifier and Photon Subtraction
Dong-Long Hu, Jia-Jin Zou, Feng-Xiao Sun +3
Non-Gaussian states (NGSs) with higher-order correlation properties have wide-range applications in quantum information processing. However, the generation of such states with high…
Universal time-dependent control scheme for realizing arbitrary linear bosonic transformations
Ze-Liang Xiang, Diego González Olivares, Juan José García-Ripoll +1
We study the implementation of arbitrary excitation-conserving linear transformations between two sets of stationary bosonic modes, which are connected through a photonic quant…
Coherent Resonant Coupling between Atoms and a Mechanical Oscillator Mediated by Cavity-Vacuum Fluctuations
Bo Wang, Jia-Ming Hu, Vincenzo Macrì +2
We show that an atom can be coupled to a mechanical oscillator via quantum vacuum fluctuations of a cavity field enabling energy transfer processes between them. In a hybrid quantu…
Work statistics in non-Hermitian evolutions with Hermitian endpoints
Zheng-Yang Zhou, Ze-Liang Xiang J. Q. You, Franco Nori
Non-Hermitian systems with specific forms of Hamiltonians can exhibit novel phenomena. However, it is difficult to study their quantum thermodynamical properties. In particular, th…
Intracity quantum communication via thermal microwave networks
Ze-Liang Xiang, Mengzhen Zhang, Liang Jiang +1
Communication over proven-secure quantum channels is potentially one of the most wide-ranging applications of currently developed quantum technologies. It is generally envisioned t…
Hybrid quantum device with nitrogen-vacancy centers in diamond coupled to carbon nanotubes
Peng-Bo Li, Ze-Liang Xiang, Peter Rabl +1
We show that nitrogen-vacancy (NV) centers in diamond interfaced with a suspended carbon nanotube carrying a dc current can facilitate a spin-nanomechanical hybrid device. We demon…
Ultrastrong coupling phenomena beyond the Dicke model
Tuomas Jaako, Ze-Liang Xiang, Juan José Garcia-Ripoll +1
We study effective light-matter interactions in a circuit QED system consisting of a single resonator, which is coupled symmetrically to multiple superconducting qubits. Start…
Hybrid quantum device based on NV centers in diamond nanomechanical resonators plus superconducting waveguide cavities
Peng-Bo Li, Yong-Chun Liu, S. -Y. Gao +4
We propose and analyze a hybrid device by integrating a microscale diamond beam with a single built-in nitrogen-vacancy (NV) center spin to a superconducting coplanar waveguide (CP…
Quantum memory using a hybrid circuit with flux qubits and NV centers
Xin-You Lü, Ze-Liang Xiang, Wei Cui +2
We propose how to realize high-fidelity quantum storage using a hybrid quantum architecture including two coupled flux qubits and a nitrogen-vacancy center ensemble (NVE). One of t…
A hybrid quantum circuit consisting of a superconducting flux qubit coupled to both a spin ensemble and a transmission-line resonator
Ze-Liang Xiang, Xin-You Lu, Tie-Fu Li +2
We propose an experimentally realizable hybrid quantum circuit for achieving a strong coupling between a spin ensemble and a transmission-line resonator via a superconducting flux…
Implementing a topological quantum model using a cavity lattice
Ze-Liang Xiang, Ting Yu, Wenxian Zhang +2
Kitaev model has both Abelian and non-Abelian anyonic excitations. It can act as a starting point for topological quantum computation. However, this model Hamiltonian is difficult…
Confidence and Backaction in the Quantum Filter Equation
Wei Cui, Neill Lambert, Yukihiro Ota +4
We study the confidence and backaction of state reconstruction based on a continuous weak measurement and the quantum filter equation. As a physical example we use the traditional…
Hybrid quantum circuits: Superconducting circuits interacting with other quantum systems
Ze-Liang Xiang, Sahel Ashhab, J. Q. You +1
Hybrid quantum circuits combine two or more physical systems, with the goal of harnessing the advantages and strengths of the different systems in order to better explore new pheno…