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Two-dimensional domain structures in lithium niobate via domain inversion with ultrafast light

  • X. Chen
  • , P. Karpinski
  • , V. Shvedov
  • , B. Wang
  • , J. Trull
  • , C. Cojocaru
  • , A. Boes
  • , A. Mitchell
  • , W. Krolikowski
  • , Y. Sheng*
  • *Corresponding author for this work

    Research output: Contribution to journal › Article › peer-review

    3 Citations (Scopus)

    Abstract

    Periodic inversion of ferroelectric domains is realized in a lithium niobate crystal by focused femtosecond near-infrared laser beam. One and two-dimensional domain patterns are fabricated. Quasi-phase matched frequency doubling of 815nm light is demonstrated in a channel waveguide with inscribed periodic domain pattern with conversion efficiency as high as 17.45%.

    Original languageEnglish
    Pages (from-to)33-35
    Number of pages3
    JournalPhotonics Letters of Poland
    Volume8
    Issue number2
    DOIs
    Publication statusPublished - 2016

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