Correlated photon emission in a thick barrier coupled quantum dot

Shohgo Yamauchi, Amane Shikanai, Isao Morohashi, Shigenori Furue, Kazuhiro Komori, Takeyoshi Sugaya, Toshihide Takagahara

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Abstract

Correlated photon emission from a thick barrier coupled quantum dot (QD) has been observed by using selective two-color excitation spectroscopy and second-order photon correlation spectroscopy. Surprisingly, the carrier creation in both QDs induced an anomalous increase in the luminescence intensity, and furthermore the cross photon correlation spectrum between two QDs exhibited photon antibunching with a long recovery time. These significant findings can be interpreted in terms of the electromagnetic interaction between QDs with a thick barrier layer.

Original languageEnglish
Article number094303
JournalJournal of Applied Physics
Volume102
Issue number9
DOIs
Publication statusPublished - 2007 Nov 23
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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  • Cite this

    Yamauchi, S., Shikanai, A., Morohashi, I., Furue, S., Komori, K., Sugaya, T., & Takagahara, T. (2007). Correlated photon emission in a thick barrier coupled quantum dot. Journal of Applied Physics, 102(9), [094303]. https://doi.org/10.1063/1.2802295