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Critical coupling control of a microresonator by laser amplitude modulation

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Chow, Jong H; Taylor, Michael A; Lam, Timothy T-Y; Knittel, Joachim; Sawtell-Rickson, Jye D; Shaddock, Daniel A; Gray, Malcolm B; McClelland, David E; Bowen, Warwick P

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We present a laser amplitude modulation technique to actively stabilize the critical coupling of a microresonator by controlling the evanescent coupling gap from an optical fiber taper. It is a form of nulled lock-in detection, which decouples laser intensity fluctuations from the critical coupling measurement. We achieved a stabilization bandwidth of ∼ 20 Hz, with up to 5 orders of magnitude displacement noise suppression at 10 mHz, and an inferred gap stability of better than a picometer/√Hz.

dc.contributor.authorChow, Jong H
dc.contributor.authorTaylor, Michael A
dc.contributor.authorLam, Timothy T-Y
dc.contributor.authorKnittel, Joachim
dc.contributor.authorSawtell-Rickson, Jye D
dc.contributor.authorShaddock, Daniel A
dc.contributor.authorGray, Malcolm B
dc.contributor.authorMcClelland, David E
dc.contributor.authorBowen, Warwick P
dc.date.accessioned2016-05-13T06:50:36Z
dc.date.available2016-05-13T06:50:36Z
dc.identifier.issn1094-4087
dc.identifier.urihttp://hdl.handle.net/1885/101237
dc.description.abstractWe present a laser amplitude modulation technique to actively stabilize the critical coupling of a microresonator by controlling the evanescent coupling gap from an optical fiber taper. It is a form of nulled lock-in detection, which decouples laser intensity fluctuations from the critical coupling measurement. We achieved a stabilization bandwidth of ∼ 20 Hz, with up to 5 orders of magnitude displacement noise suppression at 10 mHz, and an inferred gap stability of better than a picometer/√Hz.
dc.description.sponsorshipThe authors acknowledge the Australian Research Council for funding support of this research under the Linkage Project scheme (LP10020064) and Discovery Project scheme (DP0987146).
dc.publisherOptical Society of America
dc.rights© 2012 Optical Society of America
dc.sourceOptics express
dc.subjectcomputer simulation
dc.subjectequipment design
dc.subjectequipment failure analysis
dc.subjectfiber optic technology
dc.subjectlight
dc.subjectrefractometry
dc.subjectscattering, radiation
dc.subjectsurface plasmon resonance
dc.subjectcomputer-aided design
dc.subjectlasers
dc.subjectmodels, theoretical
dc.titleCritical coupling control of a microresonator by laser amplitude modulation
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume20
dc.date.issued2012-05-21
local.identifier.absfor020502
local.identifier.ariespublicationf5625xPUB699
local.publisher.urlhttp://www.osa.org/en-us/home/
local.type.statusPublished Version
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.affiliationTaylor, Michael A, University of Queensland, Australia
local.contributor.affiliationLam, Timothy, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Department of Quantum Science, The Australian National University
local.contributor.affiliationKnittel, Joachim, University of Queensland, Australia
local.contributor.affiliationSawtell-Rickson, Jye D, University of Queensland, Australia
local.contributor.affiliationShaddock, Daniel, 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.affiliationMcClelland, David, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Department of Quantum Science, The Australian National University
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.essn1094-4087
local.bibliographicCitation.issue11
local.bibliographicCitation.startpage12622
local.bibliographicCitation.lastpage12630
local.identifier.doi10.1364/OE.20.012622
local.identifier.absseo970102
dc.date.updated2016-06-14T08:36:41Z
local.identifier.scopusID2-s2.0-84861494435
local.identifier.thomsonID000299580400012
dcterms.accessRightsOpen Access
CollectionsANU Research Publications

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