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Phys. Rev. A 65, 032318 (2002) [4 pages]

Qubit rotation by stimulated Raman adiabatic passage

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Z. Kis1,2 and F. Renzoni3
1Department of Physics, Royal Institute of Technology, Roslagstullsbacken 21, SE-10691 Stockholm, Sweden
2Research Institute for Solid State Physics and Optics, H-1525 Budapest, P.O. Box 49, Hungary
3Laboratoire Kastler Brossel, Département de Physique de l’Ecole Normale Supérieure, 24 rue Lhomond, 75231, Paris Cedex 05, France

Received 21 May 2001; revised 12 September 2001; published 26 February 2002

We introduce a procedure for qubit rotation, alternative to the commonly used method of Rabi oscillations of controlled pulse area. It is based on the technique of stimulated Raman adiabatic passage and, therefore, it is robust against fluctuations of experimental parameters. Furthermore, our work shows that it is, in principle, possible to perform quantum logic operations via stimulated Raman adiabatic passage. This opens up the search for a completely new class of schemes to implement logic gates.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.65.032318
DOI:
10.1103/PhysRevA.65.032318
PACS:
03.67.Lx, 03.65.Ta, 42.50.Hz