Phase correction by laser ablation of a polarization independent LiNbO3 Mach-Zehnder modulator

Chii Chang Chen, Henri Porte, Alain Carenco, Jean Pierre Goedgebuer, Vincent Armbruster

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

We report the results obtained using a phase correction process of the TE- and TM-electrooptic responses of a Mach-Zehnder modulator integrated in a Z-propagation lithium niobate crystal. Phase correction is achieved by UV laser ablation. This ablation process allows the phase defects that can occur during the fabrication of the modulator to be cancelled out, in order to get a perfectly polarization-independent behavior.

Original languageEnglish
Pages (from-to)1361-1363
Number of pages3
JournalIEEE Photonics Technology Letters
Volume9
Issue number10
DOIs
StatePublished - Oct 1997

Keywords

  • Ablation
  • Electrooptic devices
  • Integrated optics
  • Optical modulation
  • Optical waveguides
  • Phase matching
  • Photoelastic materials
  • Polarization

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