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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 11 — Nov. 1, 2011
  • pp: 2785–2796

Creation of coherent superposition states in inhomogeneously broadened media with relaxation

Nora Sandor, Joseph S. Bakos, Zsuzsa Sörlei, and Gagik P. Djotyan  »View Author Affiliations


JOSA B, Vol. 28, Issue 11, pp. 2785-2796 (2011)
http://dx.doi.org/10.1364/JOSAB.28.002785


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Abstract

We propose and analyze a scheme for creation of coherent superposition of metastable states in a tripod-structured atom using frequency-chirped laser pulses with negligible excitation of the atoms. The underlying physics of the scheme is explained using the formalism of adiabatic states. We show that the proposed scheme may be equally efficient in homogeneously and Doppler-broadened media. By numerically solving the master equation for the density matrix operator, we analyze the influence of relaxation processes on the efficiency of the creation of superposition states. We show that the proposed scheme is robust against small-to-medium variations of the laser field’s parameters.

© 2011 Optical Society of America

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(210.0210) Optical data storage : Optical data storage
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Atomic and Molecular Physics

History
Original Manuscript: June 22, 2011
Manuscript Accepted: August 11, 2011
Published: October 26, 2011

Citation
Nora Sandor, Joseph S. Bakos, Zsuzsa Sörlei, and Gagik P. Djotyan, "Creation of coherent superposition states in inhomogeneously broadened media with relaxation," J. Opt. Soc. Am. B 28, 2785-2796 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-11-2785


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