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Ultrasensitive real-time measurement of dissipation and dispersion in a whispering-gallery mode microresonator

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Knittel, Joachim; Chow, Jong H; Gray, Malcolm B; Taylor, Michael A; Bowen, Warwick P

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We present the characterization of the recently developed cavity enhanced amplitude modulation laser absorption spectroscopy (CEAMLAS) technique to measure dissipation within the evanescent field of a whispering-gallery mode resonator, and demonstrate the parallel use of CEAMLAS and the Pound-Drever-Hall measurement techniques to provide both dissipation and dispersive real-time microresonator measurements. Using an atomic force microscope tip, we introduce a controlled perturbation to the...[Show more]

dc.contributor.authorKnittel, Joachim
dc.contributor.authorChow, Jong H
dc.contributor.authorGray, Malcolm B
dc.contributor.authorTaylor, Michael A
dc.contributor.authorBowen, Warwick P
dc.date.accessioned2016-05-05T04:50:56Z
dc.date.available2016-05-05T04:50:56Z
dc.identifier.issn0146-9592
dc.identifier.urihttp://hdl.handle.net/1885/101186
dc.description.abstractWe present the characterization of the recently developed cavity enhanced amplitude modulation laser absorption spectroscopy (CEAMLAS) technique to measure dissipation within the evanescent field of a whispering-gallery mode resonator, and demonstrate the parallel use of CEAMLAS and the Pound-Drever-Hall measurement techniques to provide both dissipation and dispersive real-time microresonator measurements. Using an atomic force microscope tip, we introduce a controlled perturbation to the evanescent field of the resonator. In this case, dissipative sensing allows up to 16.8 dB sensitivity improvement over dispersive measurements, providing the possibility for enhanced sensitivity in application such as biomolecule detection.
dc.description.sponsorshipThis research was funded by the Australian Research Council under LP10020064 and DP0987146.
dc.publisherOptical Society of America
dc.rights© 2013 Optical Society of America. Publisher permission to archive the version was granted via email on 13/05/15
dc.sourceOptics letters
dc.subjectKeywords: Atomic force microscope (AFM); Biomolecule detection; Controlled perturbation; Laser absorption spectroscopy; Measurement techniques; Real time measurements; Sensitivity improvements; Whispering-gallery mode resonators; Atomic force microscopy; Evanescent
dc.titleUltrasensitive real-time measurement of dissipation and dispersion in a whispering-gallery mode microresonator
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume38
dc.date.issued2013-06-01
local.identifier.absfor029904
local.identifier.ariespublicationf5625xPUB3477
local.publisher.urlhttp://www.osa.org/en-us/home/
local.type.statusAccepted Version
local.contributor.affiliationKnittel, Joachim, University of Queensland, Australia
local.contributor.affiliationChow, Jong , College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Department of Quantum Science, The Australian National University
local.contributor.affiliationGray, Malcolm B, National Measurement Institute, Australia
local.contributor.affiliationTaylor, Michael A, University of Queensland, Australia
local.contributor.affiliationBowen, Warwick, University of Queensland, Australia
dc.relationhttp://purl.org/au-research/grants/arc/LP10020064
dc.relationhttp://purl.org/au-research/grants/arc/DP0987146
local.identifier.essn1539-4794
local.bibliographicCitation.issue11
local.bibliographicCitation.startpage1915
local.bibliographicCitation.lastpage1917
local.identifier.doi10.1364/OL.38.001915
dc.date.updated2016-06-14T08:36:14Z
local.identifier.scopusID2-s2.0-84878660539
local.identifier.thomsonID000319815200054
dcterms.accessRightsOpen Access
CollectionsANU Research Publications

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