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Dopant occupancy and optical properties of Er 3+ in Er/Zn-codoped lithium niobate crystal

  • Yannan Qian
  • , Rui Wang*
  • , Lili Xing
  • , Yanling Xu
  • , Chunhui Yang
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

The effect of Zn 2+ ion on the dopant occupancy and optical characteristic of Er 3+ ion in Er/Zn-codoped LiNbO 3 crystal is reported. The intense 1.54 μm and relatively weak green upconversion emissions are observed for Er (1 mol%)/Zn (6 mol%):LiNbO 3 crystal. The OH - absorption and the time-resolved spectra show that the Zn 2+ codoping decreases the threshold concentration of Er 3+ ion in Er/Zn-codoped LiNbO 3 crystal. The experimental results here imply that the potential application of Er 3+-doped LiNbO 3 crystal can be designed and optimized on the basis of the theoretical investigations.

Original languageEnglish
Pages (from-to)2986-2989
Number of pages4
JournalOptics Communications
Volume285
Issue number13-14
DOIs
StatePublished - 15 Jun 2012

Keywords

  • 1.54 μm emission
  • Dopant occupancy
  • Zn

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