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Science 20 November 1998:
Vol. 282. no. 5393, pp. 1429 - 1430
DOI: 10.1126/science.282.5393.1429
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Perspectives

Also see the archival list of Science's Compass: Enhanced Perspectives

QUANTUM DOTS:
Enhanced: Controlling Artificial Atoms

François H. Julien and Antigoni Alexandrou

Quantum dots are semiconductor structures with an interesting property: Although they consist of many atoms, they can behave just like a single atom. In their Perspective, Julien and Alexandrou discuss results presented in the same issue by Bonadeo et al. in which the quantum state of a quantum dot has been coherently controlled. In addition to applications in optoelectronics as low-threshold semiconductors, these dots might be useful as logic elements in a quantum computer.

F. H. Julien is at the Institut d'Electronique Fondamentale, URA CNRS 22, Université Paris-Sud, 91405 Orsay, France. E-mail: juju{at}ief.u-psud.fr. A. Alexandrou is in the Laboratoire d'Optique Appliquée, ENSTA-Ecole Polytechnique-CNRS UMR 7639, Centre de l'Yvette, 91761 Palaiseau, France. E-mail: alexand{at}enstay.ensta.fr

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Zener Model Description of Ferromagnetism in Zinc-Blende Magnetic Semiconductors.
T. Dietl, H. Ohno, F. Matsukura, J. Cibert, and D. Ferrand (2000)
Science 287, 1019-1022
   Abstract »    Full Text »


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Science. ISSN 0036-8075 (print), 1095-9203 (online)