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Lasing without inversion

II. Raman process created atomic coherence

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

We develop a nonlinear theory of lasing without inversion in a four level atomic system. The appearance of lasing without inversion is the result of atomic coherence induced between two lower levels by a Raman process. We consider both nondegenerate and degenerate configurations and obtain expressions for the linear gain and the laser output intensity. We identify the conditions for ideal lasing without inversion.

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Author notes

  1. L. M. Narducci

    Present address: Department of Physics, Drexel University, 19104, Philadelphia, PA, USA

Authors and Affiliations

  1. Center for Advanced Studies and Department of Physics and Astronomy, University of New Mexico, 87131, Albuquerque, NM, USA

    S. Y. Zhu & H. Fearn

  2. Max-Planck Institut für Quantenoptik, W-8046, Garching, Germany

    M. O. Scully

Authors
  1. S. Y. Zhu
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  2. M. O. Scully
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  3. H. Fearn
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  4. L. M. Narducci
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Zhu, S.Y., Scully, M.O., Fearn, H. et al. Lasing without inversion. Z Phys D - Atoms, Molecules and Clusters 22, 483–493 (1992). https://doi.org/10.1007/BF01426090

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  • DOI: https://doi.org/10.1007/BF01426090

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