Absorption spectra of the four level N system with two strong fields, in laser-cooled rubidium

  • S. R. de Echaniz
  • Andrew D Greentree
  • A. V. Durrant
  • D. M. Segal
  • J. P. Marangos
  • J. A. Vaccaro
Conference paper

Abstract

Spectra illustrating the doubly driven N system are presented with accompanying dressed state analysis. The spectra show a three-photon absorption peak in addition to the normal EIT profile, due to the second coupling field.

OCIS codes

020.1670, 270.1670 
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References

  1. [1]
    A. Imamoğlu, H. Schmidt, G. Woods and M. Deutsch, “Strongly interacting photons in a non-linear cavity”, Phys. Rev. Lett. 79, 1467 (1997)ADSCrossRefGoogle Scholar
  2. [2]
    A.D. Greentree et al., “Prospects for photon blockade in four-level systems in the N configuration with more than one atom”, J. Opt. B: Quantum Semiclass. Opt. 2, 252 (2000)ADSCrossRefGoogle Scholar
  3. [3]
    S.R. de Echaniz et al., “Observations of a doubly driven V system probed to a fourth level in laser-cooled rubidium”, accepted for publication in Phys. Rev. A and at quant-ph/0102098Google Scholar

Copyright information

© Springer Science+Business Media New York 2003

Authors and Affiliations

  • S. R. de Echaniz
    • 1
  • Andrew D Greentree
    • 1
  • A. V. Durrant
    • 1
  • D. M. Segal
    • 2
  • J. P. Marangos
    • 2
  • J. A. Vaccaro
    • 3
  1. 1.Quantum Processes Group, Department of Physics and AstronomyThe Open UniversityMilton KeynesUK
  2. 2.Laser Optics and Spectroscopy Group, Blackett LaboratoryImperial College of Science, Technology and MedicineLondonUK
  3. 3.Department of Physics and AstronomyUniversity of HertfordshireHatfieldUK

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