Qubit-Assisted Transduction for a Detection of Surface Acoustic Waves near the Quantum Limit

2017/11/01 by Atsushi Noguchi, Rekishu Yamazaki, Yutaka Tabuchi +1 · 1 citation
Physics and Astronomy · Computer Science · #Mechanical and Optical Resonators #Quantum Information and Cryptography #Quantum and electron transport phenomena

paper · doi:10.1103/physrevlett.119.180505

openalex publication_date 2017/11/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We demonstrate ultrasensitive measurement of fluctuations in a surface-acoustic-wave (SAW) resonator using a hybrid quantum system consisting of the SAW resonator, a microwave (MW) resonator, and a superconducting qubit. The nonlinearity of the driven qubit induces parametric coupling, which up-converts the excitation in the SAW resonator to that in the MW resonator. Thermal fluctuations of the SAW resonator near the quantum limit are observed in the noise spectroscopy in the MW domain.

Citations

• Coherent coupling between a ferromagnetic magnon and a superconducting qubit
• Coherent control of macroscopic quantum states in a single-Cooper-pair box
• Quantum ground state and single-phonon control of a mechanical resonator
• ac Stark Shift and Dephasing of a Superconducting Qubit Strongly Coupled to a Cavity Field
• Circuit Quantum Electrodynamics: Coherent Coupling of a Single Photon to a Cooper Pair Box
• High-Fidelity Readout in Circuit Quantum Electrodynamics Using the Jaynes-Cummings Nonlinearity
• Quantum sensing
• Quantum Computing

Cited by

• Yasunobu Nakamura [wikipedia]