Strong coupling of single quantum dots to micropillars

S. Götzinger; D. Press; S. Reitzenstein; K. Hofmann; A. Löffler; M. Kamp; A. Forchel; Y. Yamamoto

doi:10.1117/12.726311

5 June 2007 Strong coupling of single quantum dots to micropillars

S. Götzinger, D. Press, S. Reitzenstein, K. Hofmann, A. Löffler, M. Kamp, A. Forchel, Y. Yamamoto

Proceedings Volume 6593, Photonic Materials, Devices, and Applications II; 65932E (2007) https://doi.org/10.1117/12.726311
Event: Microtechnologies for the New Millennium, 2007, Maspalomas, Gran Canaria, Spain

Abstract

We report on experiments where a single quantum dot is strongly coupled to a high-Q mode of a micropillar cavity. Photon correlation measurements confirm that the observed avoided crossing originates from strong coupling of a single quantum dot to the cavity mode. Cross-correlations between the cavity mode and the spectrally detuned quantum dot enabled us to assign the unexpected strong cavity emission to a coupling with the single quantum dot. The coupled quantum dot-microcavity system displays an Purcell factor of 61 and represents a single-photon source with an efficiency of 97%.

Citation Download Citation

S. Götzinger, D. Press, S. Reitzenstein, K. Hofmann, A. Löffler, M. Kamp, A. Forchel, and Y. Yamamoto "Strong coupling of single quantum dots to micropillars", Proc. SPIE 6593, Photonic Materials, Devices, and Applications II, 65932E (5 June 2007); https://doi.org/10.1117/12.726311

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