Published November 7, 2008
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Dynamical Backaction of Microwave Fields on a Nanomechanical Oscillator
Abstract
We measure the response and thermal motion of a high-Q nanomechanical oscillator coupled to a superconducting microwave cavity in the resolved-sideband regime where the oscillator's resonance frequency exceeds the cavity's linewidth. The coupling between the microwave field and mechanical motion is strong enough for radiation pressure to overwhelm the intrinsic mechanical damping. This radiation-pressure damping cools the fundamental mechanical mode by a factor of 5 below the thermal equilibrium temperature in a dilution refrigerator to a phonon occupancy of 140 quanta.
Additional Information
© 2008 The American Physical Society. (Received 18 July 2008; published 3 November 2008) The authors acknowledge funding from the National Institute of Standards and Technology (NIST) and from the National Science Foundation. We thank M.A. Castellanos-Beltran and N.E. Flowers-Jacobs for discussions and technical assistance.Attached Files
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Additional details
- Eprint ID
- 12324
- Resolver ID
- CaltechAUTHORS:TEUprl08
- National Institute of Standards and Technology
- National Science Foundation
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2008-11-11Created from EPrint's datestamp field
- Updated
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2021-11-08Created from EPrint's last_modified field