Wavelength transduction from a 3D microwave cavity to telecom using piezoelectric optomechanical crystals

• URL: http://arxiv.org/abs/2002.00471v2
• Date: Sat, 25 Apr 2020 19:02:51 GMT
• Title: Wavelength transduction from a 3D microwave cavity to telecom using piezoelectric optomechanical crystals
• Authors: H. Ramp, T.J. Clark, B.D. Hauer, C. Doolin, K.C. Balram, K. Srinivasan, J.P. Davis
• Abstract summary: We demonstrate a novel transducer that combines high-frequency mechanical motion and a microwave cavity for the first time. The gallium arsenide optomechanical crystal is a good candidate for low-noise microwave-to-telecom transduction. The 3D microwave cavity architecture can naturally be extended to couple to superconducting qubits and to create hybrid quantum systems.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Microwave to optical transduction has received a great deal of interest from the cavity optomechanics community as a landmark application for electro-optomechanical systems. In this Letter, we demonstrate a novel transducer that combines high-frequency mechanical motion and a microwave cavity for the first time. The system consists of a 3D microwave cavity and a gallium arsenide optomechanical crystal, which has been placed in the microwave electric field maximum. This allows the microwave cavity to actuate the gigahertz-frequency mechanical breathing mode in the optomechanical crystal through the piezoelectric effect, which is then read out using a telecom optical mode. The gallium arsenide optomechanical crystal is a good candidate for low-noise microwave-to-telecom transduction, as it has been previously cooled to the mechanical ground state in a dilution refrigerator. Moreover, the 3D microwave cavity architecture can naturally be extended to couple to superconducting qubits and to create hybrid quantum systems.

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