Large vacuum rabi splitting in single self-assembled quantum dot-nanocavity system

Masahiro Nomura, Yasutomo Ota, Naoto Kumagai, Satoshi Iwamoto, Yasuhiko Arakawa

研究成果: Article査読

7 被引用数 (Scopus)

抄録

We report on the observation of the strong-coupling regime in a single InGaAs self-assembled quantum dot (QD) and photonic crystal nanocavity system. There was a strong Interaction between the QD exciton and dlscretlzed photon mode and the strong coupling was manifest in photoluminescence data, which displayed a distinct anti-crossing in temperature tuning measurements. A vacuum Rabi splitting of 180μeV was observed, which was larger than the values given in previous studies with clear exciton polariton modes. In addition, the exciton-photon coupling strength amounted to about 90μeV. A distinct energy mixing, which resulted from the reversible photon emission process of a QD, was also observed when the system formed a QD exciton polariton state.

本文言語English
ページ(範囲)721021-721023
ページ数3
ジャーナルApplied Physics Express
1
7
DOI
出版ステータスPublished - 2008 7
外部発表はい

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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