Integrated electrooptical electromagnetic field sensor with mach-zehnder waveguide modulator and annular antenna

Tsung Hsin Lee, Wen Tron Shay, Ching Ting Lee

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

A small electromagnetic field sensor in the frequency range from 50 MHz to 2 GHz was developed that consisted of a Mach-Zehnder waveguide modulator and a micro annular antenna, which was directly integrated with the traveling-wave electrode of the Mach-Zehnder waveguide modulator on the same LiNbO3 substrate. The size of the sensor is 45 mm × 10 mm × 1 mm, demonstrating that the new kind of design successfully miniaturized the sensor size. The average minimum detectable electromagnetic field intensity of the sensor is 3.9 mV/m. The result indicates that the new kind of sensor is of potential interest for future application.

Original languageEnglish
Pages (from-to)3125-3128
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume50
Issue number12
DOIs
Publication statusPublished - 2008 Dec 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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