Ultralow threshold laser action from toroidal polymer microcavity

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buir.contributor.authorBayındır, Mehmet
dc.citation.issueNumber20en_US
dc.citation.volumeNumber94en_US
dc.contributor.authorTulek, A.en_US
dc.contributor.authorAkbulut, D.en_US
dc.contributor.authorBayındır, Mehmeten_US
dc.date.accessioned2016-02-08T10:04:11Z
dc.date.available2016-02-08T10:04:11Z
dc.date.issued2009en_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractWe report laser action from a toroidal microcavity coated with π-conjugated polymer. An ultralow threshold value of ∼200 pJ/pulse is achieved by free space excitation in ambient conditions. This is the lowest threshold energy obtained in microtoroid lasers by free space excitation. The effective refractive index of the polymer, extracted from Fourier analysis of emission spectra, is 1.787, which is very close to measured value of 1.790 indicating that laser modes are located around the circumference of the cavity as whispering gallery resonances. © 2009 American Institute of Physics.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T10:04:11Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2009en
dc.identifier.doi10.1063/1.3141730en_US
dc.identifier.issn0003-6951
dc.identifier.urihttp://hdl.handle.net/11693/22741
dc.language.isoEnglishen_US
dc.publisherAmerican Institute of Phycsicsen_US
dc.relation.isversionofhttp://dx.doi.org/10.1063/1.3141730en_US
dc.source.titleApplied Physics Lettersen_US
dc.subjectAmbient conditionsen_US
dc.subjectEffective refractive indexen_US
dc.subjectEmission spectrumsen_US
dc.subjectFree spaceen_US
dc.subjectLaser actionen_US
dc.subjectPolymer microcavityen_US
dc.subjectThreshold energyen_US
dc.subjectToroidal microcavityen_US
dc.subjectUltra-low thresholden_US
dc.subjectWhispering galleryen_US
dc.subjectEmission spectroscopyen_US
dc.subjectFourier analysisen_US
dc.subjectMicrocavitiesen_US
dc.subjectOrganic polymersen_US
dc.subjectPolymersen_US
dc.subjectRefractive indexen_US
dc.subjectLasersen_US
dc.titleUltralow threshold laser action from toroidal polymer microcavityen_US
dc.typeArticleen_US

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