Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session Q55: Hybrid and Optomechanical AMO Systems
3:00 PM–6:00 PM,
Wednesday, March 6, 2024
Room: 204AB
Sponsoring
Unit:
DAMOP
Chair: Daniel Stack, Atom Computing, Inc.
Abstract: Q55.00004 : Selective Mode Suppression in a Levitated Diamagnetic Resonator Coupled to a Microwave Cavity
3:36 PM–3:48 PM
Presenter:
Harold Hart
(University of California, Merced)
Authors:
Harold Hart
(University of California, Merced)
Logan Adrian
(University of California, Merced)
Jay E Sharping
(School of Natural Sciences, UC Merced)
To mitigate these losses, we have developed a composite material using graphene dust and resin, resulting in significantly reduced conductivity while retaining the high negative magnetic susceptibility for levitation. Using this material, we expect to increase the quality factor to nearly 10^6, enabling higher frequency oscillations to maintain coherence over an entire mechanical period at low temperatures. This coherence is imperative for numerous quantum electromechanical experiments and applications.
By applying a conductive layer such that only certain modes of oscillation generate substantial eddy currents one can target attenuation of those modes. Selective mode damping will be useful for preparing a system in a specific quantum state or for isolating the quantum behavior of a particular vibrational mode.
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