The effects of optical activity and absorption on two wave mixing in Bi12SiO20

David J. Webb, L. Solymar

Research output: Contribution to journalArticle

Abstract

We consider non-degenerate two-wave mixing in photorefractive Bi12SiO20. It is shown theoretically that the presence of absorption and optical activity in the photorefractive media may result in a number of maxima for the gain as the frequency detuning between the two beams is varied. Further, when the beam interaction is used for optical amplification, there may also exist an optimum crystal length beyond which there is a reduction in the useful gain obtainable. Experimental results are presented in confirmation of the theory.
Original languageEnglish
Pages (from-to)287-294
Number of pages8
JournalOptics Communications
Volume83
Issue number3-4
DOIs
Publication statusPublished - 1 Jun 1991

Keywords

  • non-degenerate two-wave mixing
  • photorefractive Bi12SiO20
  • absorption
  • optical activity
  • frequency detuning
  • beam interaction
  • optical amplification

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