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Asymmetry-Based Quantum Backaction Suppression in Quadratic Optomechanics
Vincent Dumont, Hoi-Kwan Lau, Aashish A. Clerk +1
As the field of optomechanics advances, quadratic dispersive coupling (QDC) promise an increasingly feasible class of qualitatively new functionality. However, the leading QDC geom…
Robust spin relaxometry with fast adaptive Bayesian estimation
Michael Caouette-Mansour, Adrian Solyom, Brandon Ruffolo +3
Spin relaxometry with nitrogen-vacancy (NV) centers in diamond offers a spectrally selective, atomically localized, and calibrated measurement of microwave-frequency magnetic noise…
Flexure-Tuned Membrane-at-the-Edge Optomechanical System
Vincent Dumont, Simon Bernard, Christoph Reinhardt +3
We introduce a passively-aligned, flexure-tuned cavity optomechanical system in which a membrane is positioned microns from one end mirror of a Fabry-Perot optical cavity. By displ…
Quantum backaction and noise interference in asymmetric two-cavity optomechanical systems
Yariv Yanay, Jack C. Sankey, Aashish A. Clerk
We study the effect of cavity damping asymmetries on backaction in a "membrane-in-the-middle" optomechanical system, where a mechanical mode modulates the coupling between two phot…
A Fabry-Perot Microcavity for Diamond-Based Photonics
Erika Janitz, Maximilian Ruf, Mark Dimock +3
Open Fabry-Perot microcavities represent a promising route for achieving a quantum electrodynamics (cavity-QED) platform with diamond-based emitters. In particular, they offer the…
Enhanced Optomechanical Levitation of Minimally Supported Dielectrics
Tina Müller, Christoph Reinhardt, Jack C. Sankey
Optically levitated mechanical sensors promise isolation from thermal noise far beyond what is possible using flexible materials alone. One way to access this potential is to apply…