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Optical Nonlinearity and Bistability Due to the Biexciton Two-Photon Resonance in CuCl

  • N. Peyghambarian
  • H. M. Gibbs
  • D. A. Weinberger
  • M. C. Rushford
  • D. Sarid

Abstract

We have investigated the nonlinear dielectric function close to the biexciton two-photon resonance in CuCl, taking into account the background absorption due to the exciton tail in the vicinity of the biexciton as well as the broadening of the biexciton resonance with intensity. This analysis predicts biexcitonic optical bistability with ~10 MW/cm2 intensity for a ~10-µm-thick CuCl etalon with 90% reflecting mirrors. Our experimental results, obtained with 8- to 12-µm-thick CuCl films sandwiched between 90% reflecting mirrors, verify these predictions. Optical limiting and bistability were observed with ~15 to 30 MW/cm2 intensity. Subnanosecond switching times are limited by the response time of the detection system.

Keywords

Output Pulse Input Pulse Optical Bistability Complex Dielectric Function Lawrence Livermore Laboratory 
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Copyright information

© Plenum Press, New York 1984

Authors and Affiliations

  • N. Peyghambarian
    • 1
  • H. M. Gibbs
    • 1
  • D. A. Weinberger
    • 1
  • M. C. Rushford
    • 1
  • D. Sarid
    • 1
  1. 1.Optical Sciences CenterUniversity of ArizonaTucsonUSA

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