Quantum Regime of a Two-Dimensional Phonon Cavity

Aleksey N. Bolgar, Julia I. Zotova, Daniil D. Kirichenko, Ilia S. Besedin, Aleksander V. Semenov, Rais S. Shaikhaidarov, Oleg V. Astafiev

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)


We realize the quantum regime of a surface acoustic wave (SAW) resonator by demonstrating vacuum Rabi mode splitting due to interaction with a superconducting artificial atom. Reaching the quantum regime is physically difficult and technologically challenging since SAW devices consist of large arrays of narrow metal strips. This work paves the way for realizing analogues of quantum optical phenomena with phonons and can be useful in on-chip quantum electronics.

Original languageEnglish
Article number223603
JournalPhysical Review Letters
Issue number22
Publication statusPublished - 31 May 2018
Externally publishedYes


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