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APS » Journals » Phys. Rev. Lett. » Volume 87 » Issue 24
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Phys. Rev. Lett. 87, 246401 (2001) [4 pages]

Exciton Rabi Oscillation in a Single Quantum Dot

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H. Kamada1, H. Gotoh1, J. Temmyo1, T. Takagahara2, and H. Ando3
1NTT Basic Research Laboratories, 3-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0198, Japan
2Department of Electronics and Information Science, Kyoto Institute of Technology, Hashigami, Matsugasaki, Sakyo, Kyoto 606-8585, Japan
3Department of Physics, Konan University, 8-9-1 Okamoto, Higashinada, Kobe, Hyogo 658-8501, Japan

Received 18 July 2001; published 16 November 2001

A spectroscopic method, which enables characterization of a single isolated quantum dot and a quantum wave function interferometry, is applied to an exciton discrete excited state in an InGaAs quantum dot. Long coherence of zero-dimensional excitonic states made possible the observation of coherent population flopping in a 0D excitonic two-level system in a time-domain interferometric measurement. Corresponding energy splitting is also manifested in an energy-domain measurement.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.87.246401
DOI:
10.1103/PhysRevLett.87.246401
PACS:
71.35.Cc, 73.21.La, 78.55.Cr
 
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