Controlled light-matter coupling for a single quantum dot embedded in a pillar microcavity using far-field optical lithography

Using far-field optical lithography, a single quantum dot is positioned within a pillar microcavity with a 50 nm accuracy. The lithography is performed in situ at 10 K while measuring the quantum dot emission. Deterministic spectral and spatial matching of the cavity-dot system is achieved in a sing...

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Published inPhysical review letters Vol. 101; no. 26; p. 267404
Main Authors Dousse, A, Lanco, L, Suffczyński, J, Semenova, E, Miard, A, Lemaître, A, Sagnes, I, Roblin, C, Bloch, J, Senellart, P
Format Journal Article
LanguageEnglish
Published United States 31.12.2008
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Summary:Using far-field optical lithography, a single quantum dot is positioned within a pillar microcavity with a 50 nm accuracy. The lithography is performed in situ at 10 K while measuring the quantum dot emission. Deterministic spectral and spatial matching of the cavity-dot system is achieved in a single step process and evidenced by the observation of strong Purcell effect. Deterministic coupling of two quantum dots to the same optical mode is achieved, a milestone for quantum computing.
ISSN:0031-9007
DOI:10.1103/physrevlett.101.267404