Coherent oscillation by self-induced gratings in the photorefractive crystal BaTiO3

  • Jeffrey O. White
    Department of Applied Physics, California Institute of Technology, Pasadena, California 91125
  • Mark Cronin-Golomb
    Department of Applied Physics, California Institute of Technology, Pasadena, California 91125
  • Baruch Fischer
    Department of Applied Physics, California Institute of Technology, Pasadena, California 91125
  • Amnon Yariv
    Department of Applied Physics, California Institute of Technology, Pasadena, California 91125

Description

<jats:p>We report here the demonstration of several new optical oscillator configurations including a unidirectional ring oscillator and a self-pumped phase conjugate mirror. The gain medium is BaTiO3, pumped by a 632.8-nm He-Ne laser at power levels down to 50 μW.</jats:p>

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