Acousto-optic modulation of a wavelength-scale waveguide
Posted on 05.04.2021 - 18:21
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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Sarabalis, Christopher; Van Laer, Raphaël; Patel, Rishi; Dahmani, Yanni; Jiang, Wentao; Mayor, Felix; et al. (2021): Acousto-optic modulation of a wavelength-scale waveguide. The Optical Society. Collection. https://doi.org/10.6084/m9.figshare.c.5303192.v2
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Raphaël Van Laer