Manipulation of a single charge in a double quantum dot

J. R. Petta, A. C. Johnson, C. M. Marcus, M. P. Hanson, A. C. Gossard

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Abstract

Microwave manipulation of a single electron in a double quantum dot was discussed. It was observed that under resonant conditions, microwaves drive transitions between the (1,0) and (0,1) charge states of the double dot. Local quantum point contact charge detectors were found to enable a direct measurement of the photon-induced change in occupancy of the charge states. Tunability of tunnel coupling in the few-electron regime was also demonstrated.

Original languageEnglish (US)
Pages (from-to)186802-1-186802-4
JournalPhysical review letters
Volume93
Issue number18
DOIs
StatePublished - Oct 29 2004
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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  • Cite this

    Petta, J. R., Johnson, A. C., Marcus, C. M., Hanson, M. P., & Gossard, A. C. (2004). Manipulation of a single charge in a double quantum dot. Physical review letters, 93(18), 186802-1-186802-4. https://doi.org/10.1103/PhysRevLett.93.186802