1. Two-acoustic-cavity interaction mediated by superconducting artificial atoms
- Author
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Wen-Qing Zhu, Jiao-Jiao Xue, Hong-Rong Li, Xin Wang, and Yong-Ning He
- Subjects
Physics ,Phonon ,Statistical and Nonlinear Physics ,Quantum Physics ,Acoustic wave ,Quantum entanglement ,Transmon ,Condensed Matter::Mesoscopic Systems and Quantum Hall Effect ,01 natural sciences ,010305 fluids & plasmas ,Theoretical Computer Science ,Electronic, Optical and Magnetic Materials ,Resonator ,Fock state ,Modeling and Simulation ,Qubit ,Quantum mechanics ,0103 physical sciences ,Signal Processing ,Electrical and Electronic Engineering ,Qutrit ,010306 general physics - Abstract
The circuit quantum acoustodynamics which are studied in hybrid quantum system composed by artificial atoms and surface acoustic waves (SAWs) have drawn a lot of attention when exploring the nonclassical properties of phonons. In this paper, we propose a hybrid system for indirect coupling between multiple SAW resonators via auxiliary transmons. First, by eliminating the qubit degrees of freedom, the energy exchange between two SAW resonators can be observed. In the dispersive regime and suitable rotating frame, Fock state transition and entanglement can be realized between two SAW resonators. Second, by treating transmon as a qutrit and applying a classical driving for qutrit, the correlated phonon pairs between two SAW resonators will be detected. Moreover, by replacing the SAW resonators with acoustic-wave pumps, the acoustically induced transparency phenomenon is realized in our system. The transmon qutrit is potential to use as a switch for propagating acoustic waves, allowing the acoustic waves to be transmitted or backscattered.
- Published
- 2020