Effects of process parameter for LiNbO3 optical waveguide prepared by neutral loop discharge plasma etching

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Abstract

A plasma dry etching technique was applied to the fabrication of ridge-shaped LiNbO3 optical waveguides for broadband operation. The etching characteristics of the fabricated LiNbO3 optical waveguides were investigated as functions of the Ar/C3F8 flow ratio and the antenna power by using a neutral loop discharge plasma etcher. Especially, the optimal etching conditions of the ridge shaped LiNbO3 optical waveguide were found to be a C3F8 gas flow ratio of 0.2 and an antenna power of 600 W.

Original languageEnglish
Pages (from-to)1951-1954
Number of pages4
JournalJournal of the Korean Physical Society
Volume49
Issue number5
StatePublished - Nov 2006

Keywords

  • Antenna power
  • CF gas flow ratio
  • LiNbO
  • Ridge-shaped optical waveguide

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