Ultrahigh Purcell factor in low-threshold nanolaser based on asymmetric hybrid plasmonic cavity

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dc.contributor.authorWei, Wei
dc.contributor.authorYan, Xin
dc.contributor.authorZhang, Xia
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderNational Natural Science Foundation of China
dc.contributor.funderEuropean Office of Aerospace Research and Development
dc.contributor.funderNational Basic Research Program of China
dc.contributor.funderState Key Laboratory of Information Photonics and Optical Communications, China
dc.date.accessioned2016-10-10T11:55:14Z
dc.date.available2016-10-10T11:55:14Z
dc.date.issued2016-09-12
dc.description.abstractA low-threshold nanolaser with all three dimensions at the subwavelength scale is proposed and investigated. The nanolaser is constructed based on an asymmetric hybrid plasmonic F-P cavity with Ag-coated end facets. Lasing characteristics are calculated using finite element method at the wavelength of 1550 nm. The results show that owing to the low modal loss, large modal confinement factor of the asymmetric plasmonic cavity structure, in conjunction with the high reflectivity of the Ag reflectors, a minimum threshold gain of 240 cm−1 is predicted. Furthermore, the Purcell factor as large as 2518 is obtained with optimized structure parameters to enhance rates of spontaneous and stimulated emission.en
dc.description.sponsorshipNational Natural Science Foundation of China (Grants 61504010, 61376019 and 61511130045); European Office of Aerospace Research and Development (Grant FA9550-14-1-0204); Science Foundation Ireland (Grant 12/IP/1658); National Basic Research Program of China (Grant 2010CB327605).en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid33063
dc.identifier.citationWEI, W., YAN, X. and ZHANG, X. (2016), 'Ultrahigh Purcell factor in low-threshold nanolaser based on asymmetric hybrid plasmonic cavity', Scientific Reports, 6, 33063 (7pp). doi: 10.1038/srep33063en
dc.identifier.doi10.1038/srep33063
dc.identifier.endpage7en
dc.identifier.issn2045-2322
dc.identifier.issued6en
dc.identifier.journaltitleScientific Reportsen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/3172
dc.language.isoenen
dc.publisherNature Publishing Groupen
dc.rights© 2016, the Authors. This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectNanolaseren
dc.subjectAsymmetric hybrid plasmonic cavityen
dc.subjectPurcell factoren
dc.titleUltrahigh Purcell factor in low-threshold nanolaser based on asymmetric hybrid plasmonic cavityen
dc.typeArticle (peer-reviewed)en
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