Improvement of integrated electric field sensor based on hybrid segmented slot waveguide

Musab A.M. Al-Tarawni, Ahmad Ashrif A Bakar, Md Zain Ahmad Rifqi, Mou'ad A. Tarawneh, Sahrim Ahmad

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Integrated electric-field (E-field) sensors are commonly used devices in E-field sensing. However, distortion in the modulated signal due to high half-voltage (Vπ) and obtaining a low-frequency response are challenging issues in low-frequency AC E-field sensors. The aim of this study is to investigate a modification by adding a Si layer beneath a segmented slot waveguide (SSW) and optimizing the hybrid SSW as the core of a sensor to determine the sensor features in terms of the frequency response and sensitivity. The results of reducing the Si-layer thickness and segment width with high periodicity revealed a high modulation efficiency for very low-frequency AC E-field sensors and simultaneously expanded the minimum limit of detection by incorporating sensors in very small AC E-fields. This study validated the feasibility and efficiency of using a hybrid SSW as the core of highly sensitive low-frequency AC E-field sensors.

Original languageEnglish
Article number107105
JournalOptical Engineering
Volume56
Issue number10
DOIs
Publication statusPublished - 1 Oct 2017

Fingerprint

slots
Waveguides
Electric fields
waveguides
electric fields
sensors
Sensors
alternating current
low frequencies
frequency response
Frequency response
very low frequencies
periodic variations
Modulation
modulation
sensitivity
Electric potential
electric potential

Keywords

  • half-wave voltage
  • integrated waveguide modulator
  • optical sensor
  • optical waveguide
  • overlap integral factor
  • segmented slot waveguide

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering(all)

Cite this

Improvement of integrated electric field sensor based on hybrid segmented slot waveguide. / Al-Tarawni, Musab A.M.; A Bakar, Ahmad Ashrif; Ahmad Rifqi, Md Zain; Tarawneh, Mou'ad A.; Ahmad, Sahrim.

In: Optical Engineering, Vol. 56, No. 10, 107105, 01.10.2017.

Research output: Contribution to journalArticle

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AU - Ahmad, Sahrim

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