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

Tsung Hsin Lee; Wen Tron Shay; Ching Ting Lee

doi:10.1002/mop.23868

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

Tsung Hsin Lee, Wen Tron Shay, Ching Ting Lee

Department of Photonics

Research output: Contribution to journal › Article › peer-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 language	English
Pages (from-to)	3125-3128
Number of pages	4
Journal	Microwave and Optical Technology Letters
Volume	50
Issue number	12
DOIs	https://doi.org/10.1002/mop.23868
Publication status	Published - 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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10.1002/mop.23868

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