Visible Photoluminescence from Cubic (3C) Silicon Carbide Microdisks Coupled to High Quality Whispering Gallery Modes

We present the design, fabrication, and characterization of cubic (3C) silicon carbide microdisk resonators with high quality factor modes at visible and near-infrared wavelengths (600–950 nm). Whispering gallery modes with quality factors as high as 2300 and corresponding mode volumes V ∼ 2 × (λ/n)...

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Bibliographic Details
Published inACS photonics Vol. 2; no. 1; pp. 14 - 19
Main Authors Radulaski, Marina, Babinec, Thomas M, Müller, Kai, Lagoudakis, Konstantinos G, Zhang, Jingyuan Linda, Buckley, Sonia, Kelaita, Yousif A, Alassaad, Kassem, Ferro, Gabriel, Vučković, Jelena
Format Journal Article
LanguageEnglish
Published American Chemical Society 21.01.2015
Subjects
Condensed Matter
Engineering Sciences
Materials Science
Optics
Photonic
Physics
cubic silicon carbide
photoluminescence
microdisks
whispering gallery modes
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Summary:We present the design, fabrication, and characterization of cubic (3C) silicon carbide microdisk resonators with high quality factor modes at visible and near-infrared wavelengths (600–950 nm). Whispering gallery modes with quality factors as high as 2300 and corresponding mode volumes V ∼ 2 × (λ/n)3 are measured using laser scanning confocal microscopy at room temperature. We obtain excellent correspondence between transverse-magnetic (TM) and transverse-electric (TE) polarized resonances simulated using Finite Difference Time Domain (FDTD) method and those observed in experiment. These structures based on ensembles of optically active impurities in 3C-SiC resonators could play an important role in diverse applications of nonlinear and quantum photonics, including low power optical switching and quantum memories.
ISSN:2330-4022
2330-4022
DOI:10.1021/ph500384p