Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/92373
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dc.contributor.authorWeng, W.en
dc.contributor.authorAnstie, J.en
dc.contributor.authorStace, T.en
dc.contributor.authorCampbell, G.en
dc.contributor.authorBaynes, F.en
dc.contributor.authorLuiten, A.en
dc.date.issued2014en
dc.identifier.citationPhysical Review Letters, 2014; 112(16):160801-1-160801-5en
dc.identifier.issn0031-9007en
dc.identifier.issn1079-7114en
dc.identifier.urihttp://hdl.handle.net/2440/92373-
dc.descriptionPublished 21 April 2014en
dc.description.abstractWe demonstrate thermometry with a resolution of 80  nK/Hz using an isotropic crystalline whispering-gallery mode resonator based on a dichroic dual-mode technique. We simultaneously excite two modes that have a mode frequency ratio that is very close to two (±0.3  ppm). The wavelength and temperature dependence of the refractive index means that the frequency difference between these modes is an ultrasensitive proxy of the resonator temperature. This approach to temperature sensing automatically suppresses sensitivity to thermal expansion and vibrationally induced changes of the resonator. We also demonstrate active suppression of temperature fluctuations in the resonator by controlling the intensity of the driving laser. The residual temperature fluctuations are shown to be below the limits set by fundamental thermodynamic fluctuations of the resonator material.en
dc.description.statementofresponsibilityWenle Weng, James D. Anstie, Thomas M. Stace, Geoff Campbell, Fred N. Baynes, and Andre N. Luitenen
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.rights© 2014 American Physical Societyen
dc.titleNano-Kelvin thermometry and temperature control: beyond the thermal noise limiten
dc.typeJournal articleen
dc.identifier.rmid0030008446en
dc.identifier.doi10.1103/PhysRevLett.112.160801en
dc.relation.granthttp://purl.org/au-research/grants/arc/DP0877938en
dc.relation.granthttp://purl.org/au-research/grants/arc/FT0991631en
dc.relation.granthttp://purl.org/au-research/grants/arc/LE110100054en
dc.relation.granthttp://purl.org/au-research/grants/arc/LE100100009en
dc.identifier.pubid75553-
pubs.library.collectionIPAS publicationsen
pubs.library.teamDS03en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidLuiten, A. [0000-0001-5284-7244]en
Appears in Collections:IPAS publications

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