Far off-resonant coupling between photonic crystal microcavity and single quantum dot with resonant excitation

Mehdi Banihashemi, Tatsuya Nakamura, Takanori Kojima, Kazunobu Kojima, Susumu Noda, Vahid Ahmadi

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

In this paper, we experimentally demonstrate that with sub-nanowatt coherent s-shell excitation of a single InAs quantum dot, off-resonant coupling of 4.1 nm is possible between L3 photonic crystal microcavity and the quantum dot at 50 K. This resonant excitation reduces strongly the effect of surrounding charges to quantum dot, multiexciton complexes and pure dephasing. It seems that this far off-resonant coupling is the result of increased number of acoustical phonons due to high operating temperature of 50 K. The 4.1 nm detuning is the largest amount for this kind of coupling.

Original languageEnglish
Article number251113
JournalApplied Physics Letters
Volume103
Issue number25
DOIs
Publication statusPublished - 2013 Dec 16
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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