Feedback cooling of a cantilever's fundamental mode below 5 mK

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dc.creatorPoggio, M.
dc.creatorDegen, C. L.
dc.creatorMamin, H. J.
dc.creatorRugar, D.
dc.date2007-02-20
dc.date.accessioned2026-07-07T08:13:49Z
dc.date.available2026-07-07T08:13:49Z
dc.descriptionWe cool the fundamental mechanical mode of an ultrasoft silicon cantilever from a base temperature of 2.2 K to 2.9 +/- 0.3 mK using active optomechanical feedback. The lowest observed mode temperature is consistent with limits determined by the properties of the cantilever and by the measurement noise. For high feedback gain, the driven cantilever motion is found to suppress or "squash" the optical interferometer intensity noise below the shot noise level.
dc.description4 pages, 6 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0702446
dc.identifierhttp://arxiv.org/abs/cond-mat/0702446
dc.identifierPhys. Rev. Lett. 99, 017201 (2007)
dc.identifierdoi:10.1103/PhysRevLett.99.017201
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/132902
dc.subjectOther Condensed Matter
dc.titleFeedback cooling of a cantilever's fundamental mode below 5 mK
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