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  • 1605.05306

    Accepted author manuscript, 3.1 MB, PDF document

    Available under license: CC BY-NC: Creative Commons Attribution-NonCommercial 4.0 International License

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Resonant optomechanics with a vibrating carbon nanotube and a radio-frequency cavity

Research output: Contribution to journalJournal article

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  • N Ares
  • T Pei
  • A Mavalankar
  • M Mergenthaler
  • Jamie H H Warner
  • G A D Briggs
  • E A Laird
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Article number170801
<mark>Journal publication date</mark>21/10/2016
<mark>Journal</mark>Physical review letters
Issue number17
Volume117
Number of pages5
Publication StatusPublished
<mark>Original language</mark>English

Abstract


In an optomechanical setup, the coupling between cavity and resonator can be increased by tuning them to the same frequency. We study this interaction between a carbon nanotube resonator and a radiofrequency tank circuit acting as a cavity. In this resonant regime, the vacuum optomechanical coupling is enhanced by the dc voltage coupling the cavity and the mechanical resonator. Using the cavity to detect the nanotube’s motion, we observe and simulate interference between mechanical and electrical oscillations. We measure the mechanical ring down and show that further improvements to the system could enable the measurement of mechanical motion at the quantum limit.

Bibliographic note

© 2016 American Physical Society. This is the author accepted manuscript following peer review version of the article. The final version is available online from American Physical Society at: 10.1103/PhysRevLett.117.170801