Electrochemical modulation of a waveguide interferometer

Brigitte L. Ramos, G. Nagy, Steven J. Choquette

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A planar waveguide implementation of a Mach-Zehnder interferometer coated with a thin semiconducting film was fabricated. The semiconducting film was used as an electrode providing a device that can be used as an electrooptic sensor. Changes in the refractive index profile occurring in the immediate vicinity of the waveguide surface resulting from a potential scan can be detected by a shift in the interference pattern imaged across the face of a diode array. This report describes the fabrication of the integrated electrooptic device, the electrochemistry and phase response of 7-dimethylamino-1,2-benzophenoxazine (Meldola Blue).

Original languageEnglish
Pages (from-to)140-146
Number of pages7
JournalElectroanalysis
Volume12
Issue number2
DOIs
Publication statusPublished - 2000

Fingerprint

Semiconducting films
Electrooptical effects
Interferometers
Waveguides
Modulation
Mach-Zehnder interferometers
Planar waveguides
Electrochemistry
Refractive index
Diodes
Fabrication
Thin films
Electrodes
Sensors
Meldola blue

Keywords

  • Mach-Zehnder interferometer
  • Voltammetry
  • Waveguide

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Electrochemical modulation of a waveguide interferometer. / Ramos, Brigitte L.; Nagy, G.; Choquette, Steven J.

In: Electroanalysis, Vol. 12, No. 2, 2000, p. 140-146.

Research output: Contribution to journalArticle

Ramos, Brigitte L. ; Nagy, G. ; Choquette, Steven J. / Electrochemical modulation of a waveguide interferometer. In: Electroanalysis. 2000 ; Vol. 12, No. 2. pp. 140-146.
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