Amplification of temporally modulated signal beams via two-wave mixing in Bi12SiO20

David J. Webb, L. Solymar

Research output: Contribution to journalArticle

Abstract

A theoretical analysis of two-wave mixing in a BSO crystal is developed in the undepleted-pump approximation for a modulated signal beam. It is shown that, for a modulation of high enough frequency, significant ac amplification is possible at three distinct values of pump-beam detuning. A signal beam that is amplitude modulated by a square wave is analyzed by means of the theory, and experimental results are presented in confirmation of the analysis. Finally, it is shown that in the presence of absorption the optimum detunings for dc and ac amplification are different.
Original languageEnglish
Pages (from-to)2369-2373
Number of pages5
JournalJournal of the Optical Society of America B
Volume7
Issue number12
DOIs
Publication statusPublished - 1990

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-7-12-2369. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. © 1990 Optical Society of America.

Keywords

  • two-wave mixing
  • BSO crystal
  • undepleted-pump approximation
  • modulated signal beam
  • ac amplification
  • pump-beam detuning
  • square wave

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