Deterministic emitter-cavity coupling using a single-site controlled quantum dot

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DOIResolve DOI: http://doi.org/10.1103/PhysRevB.82.033301
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TypeArticle
Journal titlePhysical review B
Volume82
Issue3
Pages033301033304; # of pages: 4
AbstractSite-selective epitaxy is used to deterministically control the nucleation site of a single quantum dot. A photonic crystal cavity is fabricated at the dot site for a true single quantum dot-cavity system which, by design, contains no background emitters. Cavity tuning at fixed temperature is used to measure the dot-cavity coupling over a large (>15 meV) detuning range using nonresonant excitation. The low-excitation spectra are modeled using a master equation model based on incoherent excitation. We find that pure phonon dephasing alone does not account for the observed nonresonant cavity emission and an additional cavity feeding mechanism, consistent with phonon-assisted dot-cavity coupling, must be included to reproduce the experimental spectra.
Publication date
LanguageEnglish
AffiliationNRC Institute for Microstructural Sciences; National Research Council Canada
Peer reviewedYes
NPARC number17173077
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Record identifier9d61c912-ceea-46b1-bc86-3be2235aaa6c
Record created2011-03-26
Record modified2016-05-09
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