Demonstration of an ultra-low-threshold phonon laser with coupled microtoroid resonators in vacuum

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摘要 Wedemonstrateanultra-low-thresholdphononlaserusingacoupled-microtoroid-cavitysystembyintroducinganovelcouplingapproach.Theschemeexhibitsbothhighopticalqualityfactorsandhighmechanicalqualityfactors.Wehaveexperimentallyobtainedthemechanicalqualityfactorupto18,000invacuumforaradialbreathingmodeof59.2MHz.Themeasuredphononlasingthresholdisaslowas1.2μW,whichis~5timeslowerthanthepreviousresult.
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出版日期 2017年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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