78 citations · 277 across the 14 of their papers we have counts for
14 papers
Purcell-Engineered Hybrid Coupler for Leakage-Suppressed Robust CZ Gates
Hui Wang, Feng Bao, Yan-Jun Zhao +1
We propose a Purcell-engineered notch-filter hybrid coupler for superconducting controlled- (CZ) gates that combines coherent interaction engineering with leakage-selective diss…
On-chip Frequency divider in superconducting quantum circuit
Hui Wang, Chih-Yao Shih, Ching-Yeh Chen +3
Based on the physical process of two-atom simultaneous excitation by single photon, we proposed a frequency dividing scheme in superconducting quantum circuit. The frequency divisi…
Controllable non-Hermitian qubit-qubit Coupling in Superconducting quantum Circuit
Hui Wang, Yan-Jun Zhao, Xun-Wei Xu
We propose a theoretical scheme to realize the controllable non-Hermitian qubit-qubit coupling by adding a high-loss resonator in tunable coupling superconducting quantum circuit.…
Two-dimensional topological effect in a transmon qubit array with tunable couplings
Yan-Jun Zhao, Yu-Qi Wang, Yang Xue +4
We investigate a square-lattice architecture of superconducting transmon qubits with inter-qubit interactions mediated by inductive couplers. Therein, the inductive couling between…
Control the qubit-qubit coupling in the superconducting circuit with double-resonator couplers
Hui Wang, Yan-Jun Zhao, Hui-Chen Sun +5
We propose a scheme of using two fixed frequency resonator couplers to tune the coupling strength between two Xmon qubits. The induced indirect qubit-qubit interactions by two reso…
Quarter-wave Resonator Based Tunable Coupler for Xmon Qubits
Hui Wang, Yan-Jun Zhao, Rui Wang +4
We propose a scheme of tunable coupler based on quarter-wave resonator for scalable quantum integrated circuits. The open end of the T-type resonator is capacitively coupled to two…
Vortex-Meissner phase transition induced by two-tone-drive-engineered artificial gauge potential in the fermionic ladder constructed by superconducting qubit circuits
Yan-Jun Zhao, Xun-Wei Xu, Hui Wang +2
We propose to periodically modulate the onsite energy via two-tone drives, which can be furthermore used to engineer artificial gauge potential. As an example, we show that the fer…
Nonreciprocal transition between two nondegenerate energy levels
Xun-Wei Xu, Yan-Jun Zhao, Hui Wang +2
Stimulated emission and absorption are two fundamental processes of light-matter interaction, and the coefficients of the two processes should be equal in general. However, we will…
Nonreciprocal photon blockade via quadratic optomechanical coupling
Xun-Wei Xu, Yan-Jun Zhao, Hui Wang +2
We propose to manipulate the statistic properties of the photons transport nonreciprocally via quadratic optomechanical coupling. We present a scheme to generate quadratic optomech…
Generalized Su-Schrieffer-Heeger model in one dimensional optomechanical arrays
Xun-Wei Xu, Yan-Jun Zhao, Hui Wang +2
We propose an implementation of a generalized Su-Schrieffer-Heeger (SSH) model based on optomechanical arrays. The topological properties of the generalized SSH model depend on the…
Two-dimensional optomechanics formed by the graphene sheet and photonic crystal cavity
Hui Wang, Qifeng Qiao, Chenyu Peng +4
We theoretically study photon transmission and mechanical ground state cooling in a two-dimensional optomechanical system that is formed of a suspended graphene sheet on an one-dim…
Realization of microwave amplification, attenuation, and frequency conversion using a single three-level superconducting quantum circuit
Yan-Jun Zhao, Jiang-Hao Ding, Z. H. Peng +1
Using different configurations of applied strong driving and weak probe fields, we find that only a single three-level superconducting quantum circuit (SQC) is enough to realize am…
Generating nonclassical photon-states via longitudinal couplings between superconducting qubits and microwave fields
Yan-Jun Zhao, Yu-Long Liu, Yu-xi Liu +1
Besides the conventional transverse couplings between superconducting qubits (SQs) and electromagnetic fields, there are additional longitudinal couplings when the inversion symmet…
Entangled state engineering of vibrational modes in a multi-membrane optomechanical system
Xun-Wei Xu, Yan-Jun Zhao, Yu-xi Liu
We propose a method to generate entangled states of the vibrational modes of N membranes which are coupled to a cavity mode via the radiation pressure. Using sideband excitations,…