Fundamental characteristics of space-charge waves in photorefractive sillenite crystals

Henrik C. Pedersen, David J. Webb, Per M. Johansen

Research output: Contribution to journalArticlepeer-review

Abstract

We investigate experimentally the fundamental characteristics of space-charge waves excited in a photorefractive crystal of Bi12SiO20. Features such as their transient rise and decay as well as their steady-state frequency response are investigated. Based on this, we find the dependence of the space-charge waves' quality factor on spatial frequency and electric-field biasing. The experimental findings are compared with the linear space-charge wave theory developed previously by Sturman et al. [J. Opt. Sec. Am. B 10, 1919 (1993)].
Original languageEnglish
Pages (from-to)2573-2580
Number of pages8
JournalJournal of the Optical Society of America B
Volume15
Issue number10
DOIs
Publication statusPublished - 1 Oct 1998

Bibliographical note

This paper was published in Journal of the Optical Society of America B - Optical Physics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-15-10-2573. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. © 1998 Optical Society of America.

Keywords

  • parametric
  • oscillation
  • bi12sio20 crystals
  • gratings
  • subharmonics
  • instability
  • excitation
  • generation
  • degenerate
  • absence
  • media

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