88 citations · 468 across the 18 of their papers we have counts for
18 papers
Enhancement of quantum sensing in a dissipatively coupled two-mode system
Hao-Wen Zhang, Dong-Yang Wang, Cheng-Hua Bai +2
Quantum sensing near exceptional points (EPs) in non-Hermitian systems has shown promising sensitivity enhancements. However, practical applications are often hindered by structura…
Ground state cooling of magnomechanical resonator in PT-symmetric cavity magnomechanical system at room temperature
Zhi-Xin Yang, Liang Wang, Yu-Mu Liu +4
We propose to realize the ground state cooling of magnomechanical resonator in a parity-time (PT)-symmetric cavity magnomechanical system composed of a loss ferromagnetic sphere an…
Magnon blockade in a PT-symmetric-like cavity magnomechanical system
Liang Wang, Zhi-Xin Yang, Yu-Mu Liu +4
We investigate the magnon blockade effect in a parity-time (PT) symmetric-like three-mode cavity magnomechanical system involving the magnon-photon and magnon-phonon interactions.…
Photon blockade in a double-cavity optomechanical system with nonreciprocal coupling
Dong-Yang Wang, Cheng-Hua Bai, Shutian Liu +2
Photon blockade is an effective way to generate single photon, which is of great significance in quantum state preparation and quantum information processing. Here we investigate t…
Enhanced photon blockade in an optomechanical system with parametric amplification
Dong-Yang Wang, Cheng-Hua Bai, Xue Han +3
We propose a scheme to enhance the single- and two-photon blockade effect significantly in a standard optomechanical system (OMS) via optical parametric amplification (OPA). The sc…
Optical nonreciprocal response and conversion in a Tavis-Cummings coupling optomechanical system
Yang Jiao, Cheng-Hua Bai, Dong-Yang Wang +2
We propose a scheme to realize optical nonreciprocal response and conversion in a Tavis-Cummings coupling optomechanical system, where a single cavity mode interacts with the vibra…
Strong mechanical squeezing in a standard optomechanical system by pump modulation
Cheng-Hua Bai, Dong-Yang Wang, Shou Zhang +2
Being beneficial for the amplitude modulation of the pump laser, we propose a simple yet surprisingly effective mechanical squeezing scheme in a standard optomechanical system. By…
Distinguishing photon blockade in a PT-symmetric optomechanical system
Dong-Yang Wang, Cheng-Hua Bai, Shutian Liu +2
We study the effects of parity-time(PT)-symmetry on the photon blockade and distinguish the different blockade mechanisms in a double-cavity optomechanical system. By studying the…
Manipulation of nanomechanical resonator via shaking optical frequency
Dong-Yang Wang, Cheng-Hua Bai, Shutian Liu +2
In the usual optomechanical systems, the stability of the systems severely limits those researches of the macroscopic quantum effects. We study an usual cavity optomechanical syste…
Amplitude-modulation-based atom-mirror entanglement and mechanical squeezing in a hybrid optomechanical system
Cheng-Hua Bai, Dong-Yang Wang, Shou Zhang +2
We consider a hybrid optomechanical system which is composed of the atomic ensemble and a standard optomechanical cavity driven by the periodically modulated external laser field.…
Simulating Z_2 topological insulators via a one-dimensional cavity optomechanical cells array
Lu Qi, Yan Xing, Hong-Fu Wang +2
We propose a novel scheme to simulate Z_2 topological insulators via one-dimensional (1D) cavity optomechanical cells array. The direct mapping between 1D cavity optomechanical cel…
Qubit-assisted squeezing of the mirror motion in a dissipative optomechanical cavity system
Cheng-Hua Bai, Dong-Yang Wang, Shou Zhang +1
We investigate a hybrid system consisting of an atomic ensemble trapped inside a dissipative optomechanical cavity assisted with the perturbative oscillator-qubit coupling. It is s…
Spontaneous PT symmetry breaking in non-Hermitian coupled cavities array
Yan Xing, Lu Qi, Ji Cao +5
We study the effects of the position of the passive and active cavities on the spontaneous parity-time (PT) symmetry breaking behavior in non-Hermitian coupled cavities array model…
Optomechanical cooling beyond the quantum backaction limit with frequency modulation
Dong-Yang Wang, Cheng-Hua Bai, Shutian Liu +2
In the usual optomechanical cooling, even if the system has no thermal component, it still has a quantum limit-known as the quantum backaction limit (QBL)-on the minimum phonon num…
Modulation of entanglement between two oscillators separated in space with an optical parametric amplifier
Cheng-Hua Bai, Dong-Yang Wang, Hong-Fu Wang +2
We propose a scheme to modulate the entanglement between two oscillators separated in space via the squeezing cavity field generated by the optical parametric amplifier instead of…
Steady-state mechanical squeezing in a double-cavity optomechanical system
Dong-Yang Wang, Cheng-Hua Bai, Hong-Fu Wang +2
We study the physical properties of double-cavity optomechanical system in which the mechanical resonator interacts with one of the coupled cavities and another cavity is used as a…
Robust entanglement between a movable mirror and atomic ensemble and entanglement transfer in coupled optomechanical system
Cheng-Hua Bai, Dong-Yang Wang, Hong-Fu Wang +2
We propose a scheme for the creation of robust entanglement between a movable mirror and atomic ensemble at the macroscopic level in coupled optomechanical system. In experimentall…
Steady-state mechanical squeezing in a hybrid atom-optomechanical system with a highly dissipative cavity
Dong-Yang Wang, Cheng-Hua Bai, Hong-Fu Wang +2
Quantum squeezing of mechanical resonator is important for studying the macroscopic quantum effects and the precision metrology of weak forces. Here we give a theoretical study of…