369 citations · 1.1k across the 27 of their papers we have counts for
16 papers · 1 filter
Generation of long-lived states via reservoir engineering in dissipatively coupled systems
Guo-Qiang Zhang, Wei Feng, Wei Xiong +2
Very recently, dissipative coupling was discovered, which develops and broadens methods for controlling and utilizing light-matter interactions. Here, we propose a scheme to genera…
Dissipation-induced nonreciprocal magnon blockade in a magnon-based hybrid system
Yimin Wang, Wei Xiong, Zhiyong Xu +2
We propose an experimentally realizable nonreciprocal magnonic device at the single-magnon level by exploiting magnon blockade in a magnon-based hybrid system. The coherent qubit-m…
Parity-symmetry-breaking quantum phase transition via parametric drive in a cavity magnonic system
Guo-Qiang Zhang, Zhen Chen, Wei Xiong +2
We study the parity-symmetry-breaking quantum phase transition (QPT) in a cavity magnonic system driven by a parametric field, where the magnons in a ferrimagnetic yttrium-iron-gar…
Strong single-photon optomechanical coupling in a hybrid quantum system
Jiaojiao Chen, Zhuanxia Li, Xiao-Qing Luo +3
Engineering strong single-photon optomechanical couplings is crucial for optomechanical systems. Here, we propose a hybrid quantum system consisting of a nanobeam (phonons) coupled…
Observation of many-body quantum phase transitions beyond the Kibble-Zurek mechanism
Qi Huang, Ruixiao Yao, Libo Liang +8
Quantum critical behavior of many-body phase transitions is one of the most fascinating yet challenging questions in quantum physics. Here, we improved the band-mapping method to i…
Quantum Zeno dynamics induced atomic entanglement in a hybrid atom-cavity-fiber system
Jiaojiao Chen, Baolong Fang, Wei Xiong
Quantum entanglement is important quanum resources in quantum information sicence. Here we propose an approach to {preparing} atomic quantum entanglement in a hybrid atom-cavity-fi…
Strong tunable spin-spin interaction in a weakly coupled nitrogen vacancy spin-cavity electromechanical system
Wei Xiong, Jiaojiao Chen, Baolong Fang +3
The long coherence time of a single nitrogen vacancy (NV) center spin in diamond is a crucial advantage for implementing quantum information processing. However, the realization of…
Spin squeezing via one- and two-axis twisting induced by a single off-resonance stimulated Raman scattering in a cavity
Gang Liu, Ya-Ni Wang, Li-Fen Yan +3
Squeezed spin states have important applications in quantum metrology and sensing. It has been shown by Sørensen and Mølmer [Phys. Rev. A 66, 022314(2002)] that an effective one-ax…
Amplification of the coupling strength in a hybrid quantum system
Wei Xiong, Yueyin Qiu, Lian-Ao Wu +1
Realization of strong coupling between two different quantum systems is important for fast transferring quantum information between them, but its implementation is difficult in som…
Magnon Kerr effect in a strongly coupled cavity-magnon system
Yi-Pu Wang, Guo-Qiang Zhang, Dengke Zhang +6
We experimentally demonstrate magnon Kerr effect in a cavity-magnon system, where magnons in a small yttrium iron garnet (YIG) sphere are strongly but dispersively coupled to the p…
Method for identifying electromagnetically induced transparency in a tunable circuit quantum electrodynamics system
Qi-Chun Liu, Tie-Fu Li, Xiao-Qing Luo +9
Electromagnetically induced transparency (EIT) has been realized in atomic systems, but fulfilling the EIT conditions for artificial atoms made from superconducting circuits is a m…
Four-junction superconducting circuit
Yueyin Qiu, Wei Xiong, Xiao-Ling He +2
We develop a theory for the quantum circuit consisting of a superconducting loop interrupted by four Josephson junctions and pierced by a magnetic flux (either static or time-depen…
Controllable coupling between a nanomechanical resonator and a coplanar-waveguide resonator via a superconducting flux qubit
Wei Xiong, Da-Yu Jin, Jun Jing +2
We study a tripartite quantum system consisting of a coplanar-waveguide (CPW) resonator and a nanomechanical resonator (NAMR) connected by a flux qubit, where the flux qubit has a…
Schemes for quantum entanglement concentration of two unknown partially entangled states with cross-Kerr nonlinearity
Wei Xiong, Liu Ye
We propose practical schemes for concentrating entanglement of a pair of unknown partially entangled Bell states and three-photon W states with cross-Kerr nonlinearity. In the sche…
Coupling spin ensembles via superconducting flux qubits
Yueyin Qiu, Wei Xiong, Lin Tian +1
We study a hybrid quantum system consisting of spin ensembles and superconducting flux qubits, where each spin ensemble is realized using the nitrogen-vacancy centers in a diamond…
Manipulation of the quantum state by Majorana transition in spinor Bose-Einstein condensates
Lin Xia, Xu Xu, Fan Yang +6
Manipulation of the quantum state by the Majorana transition in spinor BEC system has been realized by altering the rotation frequency of the magnetic field's direction. This kind…