One-dimensional steady-state bright photovoltaic solitons in LiNbO3:Fe crystal with background illumination

Meizhi Zhang, Keqing Lu, Guanghua Cheng, Yiqi Zhang, Kehao Li, Lei Zhang, Yanpeng Zhang

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We investigate theoretically and experimentally one-dimensional bright photovoltaic solitons in LiNbO3:Fe crystal by use of the background illumination. We find that, in LiNbO3:Fe crystal, bright photovoltaic solitons can be obtained with background illumination for κ>1, where κ is the ratio of the background illumination photovoltaic constant to the soliton optical beam's photovoltaic constant. For κ<1, dark photovoltaic solitons are generated. On the other hand, our experiments show good agreement with theoretical prediction for the soliton existence curve in a special intensity ratio. Crown

Original languageEnglish
Pages (from-to)575-580
Number of pages6
JournalOptik
Volume121
Issue number6
DOIs
StatePublished - Mar 2010
Externally publishedYes

Keywords

  • Nonlinear optics
  • Photorefractive effect
  • Photovoltaic constant
  • Self-defocusing
  • Self-focusing

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