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- Title
Entanglement and mechanical squeezing in dissipative atom-photomechanical hybrid systems.
- Authors
Wang, Xin; Li, Ang; Yang, Song-Lin; Zhang, Jian-Song
- Abstract
We investigate the entanglement and mechanical squeezing of a hybrid system formed by two two-level atomic ensembles and a dissipative optomechanical system driven by two lasers. We find the entanglement of two atomic ensembles can be adjusted by the dissipative and dispersive couplings of the system. If the dispersive coupling is taken into account, the maximal entanglement between atomic ensembles could be larger than that of the purely dissipative case. Then, we show that there is steady-state entanglement in the present dissipative optomechanics systems and it increases with the mechanical oscillator decay rate and driving laser power. Finally, a strong mechanical squeezing of more than 3 dB is generated in the dissipative atom-photomechanical hybrid systems.
- Subjects
HYBRID systems; OPTOMECHANICS; LASERS; OSCILLATING chemical reactions
- Publication
International Journal of Quantum Information, 2022, Vol 20, Issue 6, p1
- ISSN
0219-7499
- Publication type
Article
- DOI
10.1142/S0219749922500186