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physics.optics2026
Angular displacement readout of a mechanical oscillator with a guided mode resonance
Diego Torres-Barajas, Oscar Angulo, Aman R. Agrawal +2
Measuring the angular displacement of a mechanical oscillator is a ubiquitous task; however, the multimode nature of angular optomechanical coupling makes coherent signal enhanceme…
physics.optics2024
Focusing membrane metamirrors for integrated cavity optomechanics
A. R. Agrawal, J. Manley, D. Allepuz-Requena +1
We have realized a suspended, high-reflectivity focusing metamirror ( cm, ) by non-periodic photonic crystal patterning of a SiN memb…
physics.optics2023★ 13 cited
Sub-ppm Nanomechanical Absorption Spectroscopy of Silicon Nitride
Andrew T. Land, Mitul Dey Chowdhury, Aman R. Agrawal +1
Material absorption is a key limitation in nanophotonic systems; however, its characterization is often obscured by scattering and diffraction loss. Here we show that nanomechanica…