High-frequency GaAs bullseye optomechanical resonator

Natalia C. Carvalho; Natalia C. Carvalho; Rodrigo Benevides; Rodrigo Benevides; Michaël Ménard; Gustavo S. Wiederhecker; Gustavo S. Wiederhecker; Newton C. Frateschi; Newton C. Frateschi; Thiago P. M. Alegre; Thiago P. M. Alegre

doi:10.1364/CLEO_SI.2020.STh1R.5

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper STh1R.5
•https://doi.org/10.1364/CLEO_SI.2020.STh1R.5

High-frequency GaAs bullseye optomechanical resonator

Natalia C. Carvalho, Rodrigo Benevides, Michaël Ménard, Gustavo S. Wiederhecker, Newton C. Frateschi, and Thiago P. M. Alegre

CLEO: Science and Innovations 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Optomechanics (STh1R)

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N. C. Carvalho, R. Benevides, M. Ménard, G. S. Wiederhecker, N. C. Frateschi, and T. P. M. Alegre, "High-frequency GaAs bullseye optomechanical resonator," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper STh1R.5.

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Abstract

We fabricated and measured a GaAs bullseye resonator able to operate above 3 GHz when coupled to whispering gallery optical modes. Our large phononic bandgap allowed us to observe the symmetry break caused by the material anisotropy and obtain optomechanical coupling rates above 30 kHz.

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