The transverse electrooptic modulator (TEOM): fabrication, properties, and applications in the assessment of waveguide electrooptic characteristics

S. McMeekin, R.M. de La Rue, W. Johnstone

Research output: Contribution to journalArticle

Abstract

The fabrication of a novel electrooptic modulator with a transverse electrode geometry, formed by parallel electrodes on opposite faces of a thinned lithium niobate substrate straddling a strip waveguide, is reported. The device, referred to as a transverse electrooptic modulator (TEOM), has several advantages over standard electrooptic waveguide modulators using a coplanar electrode geometry. It is shown that it is possible to achieve a 30% reduction in the operating voltage for a given electrode spacing and a substantial reduction in the figure of merit, the power required per unit bandwidth, for electrooptic modulators with either lumped or traveling wave electrode structures. Moreover, a more accurate estimate of the electrooptic coefficients is possible than with modulators using strip waveguides and coplanar electrodes.
Original languageEnglish
Pages (from-to)163-168
Number of pages6
JournalLightwave Technology, Journal of
Volume10
Issue number2
DOIs
Publication statusPublished - 6 Aug 1992

Keywords

  • electrooptic modulators
  • electrodes
  • electrooptical waveguides
  • geometry
  • strips
  • coplanar waveguides
  • optical device fabrication
  • lithium niobate
  • electrooptic devices
  • voltage

Fingerprint Dive into the research topics of 'The transverse electrooptic modulator (TEOM): fabrication, properties, and applications in the assessment of waveguide electrooptic characteristics'. Together they form a unique fingerprint.

  • Cite this