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Author Kiraz, A. ♦ Michler, P. ♦ Becher, C. ♦ Gayral, B. ♦ Imamoglu, A. ♦ Zhang, Lidong ♦ Hu, E. ♦ Schoenfeld, W. V. ♦ Petroff, P. M.
Sponsorship (US)
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Publisher The American Physical Society
Language English
Subject Keyword PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ♦ ELECTRODYNAMICS ♦ EXCITONS ♦ LIFETIME ♦ PHYSICS ♦ QUALITY FACTOR ♦ RESONANCE ♦ TEMPERATURE DEPENDENCE ♦ TUNING
Abstract We investigate cavity-quantum electrodynamics (QED) effects in an all-semiconductor nanostructure by tuning a single self-assembled InAs quantum dot (QD) into resonance with a high quality factor microdisk whispering gallery mode (WGM). The stronger temperature dependence of the QD single-exciton (1X) resonance allows us to change the relative energy of the WGM and the 1X transitions by varying the sample temperature. The two coupled resonances exhibit crossing behavior due to the weak coupling cavity-QED regime. We demonstrate exciton lifetime reduction by 6 due to the Purcell effect by tuning the QD into resonance with the WGM. Our experiments also show that single-exciton lifetime is independent of temperature up to 50 K. {copyright} 2001 American Institute of Physics.
ISSN 00036951
Educational Use Research
Learning Resource Type Article
Publisher Date 2001-06-18
Publisher Place United States
Journal Applied Physics Letters
Volume Number 78
Issue Number 25


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