Technological implementation of Bragg Grating reflectors in Ti:LiNbO3 waveguides by proton exchange

B. E. Benkelfat, R. Ferrière, B. Wacogne, P. Mollier

Research output: Contribution to journalArticlepeer-review

Abstract

The authors propose and demonstrate a simple and novel method for fabrication of efficient Bragg grating reflectors at telecommunication wavelengths in titanium-indiffused lithium niobate single-mode channel waveguides. This technique is based on the patterned proton-exchanged process. The validity of the method is verified by the good agreement of the spectral responses and the Bragg phase-matching condition. Reflectivity as high as 94% at 1546 nm was measured with 4-mm distributed parameter waveguides in z-cut lithium niobate.

Original languageEnglish
Pages (from-to)1430-1432
Number of pages3
JournalIEEE Photonics Technology Letters
Volume14
Issue number10
DOIs
Publication statusPublished - 1 Oct 2002
Externally publishedYes

Keywords

  • Gratings
  • Integrated optics
  • LiNbO
  • Optical waveguides
  • Tunable filters

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