Nonlinear pulse propagation phenomena in ion-doped dielectric crystals

Gabor Demeter, Zsolt Kis, and Ulrich Hohenester
Phys. Rev. A 85, 033819 – Published 19 March 2012

Abstract

We theoretically analyze pulse propagation in a medium of inhomogeneously broadened two-level quantum systems, which have a vibrational degree of freedom with respect to the center-of-mass coordinate. This system mimics local mode oscillations of rare-earth-metal-ion dopants in dielectric crystals that are coupled to electronic transitions. We show the emergence of various nonlinear optical phenomena, such as self-induced transparency or the nonlinear interaction between two pulses coupling to different electrovibrational transitions. Interaction between the pulses makes it possible to generate various Raman sidebands of the incident fields and to tune the location where they are generated. We also demonstrate controlled population transfer between electrovibrational states of the ions at specific points along the propagation axis. Similarities and differences between our results and other pulse propagation phenomena of few-level quantum systems are discussed.

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  • Received 17 November 2011

DOI:https://doi.org/10.1103/PhysRevA.85.033819

©2012 American Physical Society

Authors & Affiliations

Gabor Demeter1,*, Zsolt Kis1, and Ulrich Hohenester2

  • 1Wigner Research Center for Physics, Hungarian Academy of Sciences, Konkoly-Thege Miklós út 29-33, H-1121 Budapest, Hungary
  • 2Institut für Physik, Karl-Franzens-Universität Graz, Universitätsplatz 5, A-8010 Graz, Austria

  • *gdemeter@rmki.kfki.hu

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Vol. 85, Iss. 3 — March 2012

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