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
  • Wieslaw Krolikowski
  • Y. Sheng



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%.

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Author Biography

Wieslaw Krolikowski

Laser Physics Center, professor




How to Cite

X. Chen, “Two-dimensional domain structures in Lithium Niobate via domain inversion with ultrafast light”, Photonics Lett. Pol., vol. 8, no. 2, pp. pp. 33–35, Jun. 2016.