期刊
OPTICS EXPRESS
卷 16, 期 19, 页码 15006-15012出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.16.015006
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资金
- Deutsche Forschungsgemeinschaft via the Research Group
- European Commission
- state of Bavaria
We demonstrate electro-optical tuning of single quantum dots (QDs) embedded in high-quality (high-Q) micropillar cavities by exploiting the quantum confined Stark effect (QCSE). Combining electrically contacted high-Q micropillars and large In0.3Ga0.7As QDs with high oscillator strength facilitates the realization of strong coupling. In our experiments a single QD exciton was electrically tuned on resonance with a cavity mode of a micropillar with 1.9 mu m diameter and a quality-factor (Q-factor) of 14,000 enabling the observation of strong coupling with a vacuum Rabi-Splitting of 63 mu eV. (C) 2008 Optical Society of America.
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