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arXiv · 2010.12517

Acousto-optic modulation of a wavelength-scale waveguide

Christopher J. Sarabalis·Raphaël Van Laer·Rishi N. Patel·Yanni D. Dahmani·Wentao Jiang·Felix M. Mayor·Amir H. Safavi-Naeini
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Abstract

We demonstrate a collinear acousto-optic modulator in a suspended film of lithium niobate employing a high-confinement, wavelength-scale waveguide. By strongly confining the optical and mechanical waves, this modulator improves by orders of magnitude a figure-of-merit that accounts for both acousto-optic and electro-mechanical efficiency. Our device demonstration marks a significant technological advance in acousto-optics that promises a novel class of compact and low-power frequency shifters, tunable filters, non-magnetic isolators, and beam deflectors.

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Christopher J. Sarabalis, Raphaël Van Laer, Rishi N. Patel, Yanni D. Dahmani, Wentao Jiang, Felix M. Mayor, Amir H. Safavi-Naeini. 2020-10-23. Acousto-optic modulation of a wavelength-scale waveguide. https://arxiv.org/abs/2010.12517

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