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Quantum Information and Measurement (QIM)

Quantum Acousto-Optic Transducer for Superconducting Qubits

Vitaly S. Shumeiko

Published Jan 1, 2017• 1 citation
Publisher

Abstract

Reversible quantum transducer is proposed and theoretically analyzed for coupling microwave and optical photons. Transducer employs surface acoustic phonons as an intermediate agent, and consists of an integrated acousto-optic cavity fabricated with piezoelectric material.
DOI
10.1364/qim.2017.qt6a.50

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A transducer capable of converting single microwave and optical photons with low loss and added noise could lay the foundation for a quantum network. Our strategy for building such a device uses an acoustic resonator as an intermediary between a superconducting transmon qubit and an optical cavity. We outline our progress and share insights into some obstacles that we have encountered when engineering a cryogenic-compatible optical cavity suitable for Brillouin optomechanics. We also discuss the materials and design choices for acoustic resonators in our transduction scheme.