Optimizing low half-wave voltage electro-optic polymer modulator for optical waveguide sensor

Nadhira Mat Nashim, Musab A M Al-Tarawni, Abdul Muiz Aziz, Suraya Abdullah, Ahmad Ashrif A Bakar

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Electro-optic (EO) modulator is used commonly in optical communication systems. Extensive research has being carried out to optimize the device by improving its design and making use of novel waveguide materials. For bio-sensing applications, optimizing the device to be able to operate in low frequency and low input voltage (half-wave voltage) are substantial. This paper discusses the ability of a selection of EO modulator materials and waveguide designs to increase the modulator's sensitivity by enhancing the value of the EO coefficient and reduce the half-wave voltage needed to modulate the input signal. EO phase modulator with a proper polymer material will produce better results compared to LiNbO3 in terms of length extension and low insertion loss. Furthermore, we show the performance study of a EO polymer phase modulator compared with the LiNbO3 waveguide to gain lower length extension as well low insertion loss. Those parameters are essential for bio-sensing applications like as biomedical tools to sense the response of human body. As well as these parameters are important to design an EO phase modulator that is feasible for measuring bio-potential signal of a human body in biomedical applications.

Original languageEnglish
Pages (from-to)9-20
Number of pages12
JournalOptik
Volume134
DOIs
Publication statusPublished - 1 Apr 2017

Fingerprint

Optical waveguides
Electrooptical effects
optical waveguides
Modulators
electro-optics
modulators
Polymers
sensors
Sensors
polymers
Electric potential
electric potential
Waveguides
human body
Insertion losses
waveguides
insertion loss
Optical communication
optical communication
telecommunication

Keywords

  • Electro-optic modulator
  • Half-wave voltage
  • Optical sensor
  • Pockel's coefficient
  • Polymer waveguide

ASJC Scopus subject areas

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

Cite this

Optimizing low half-wave voltage electro-optic polymer modulator for optical waveguide sensor. / Mat Nashim, Nadhira; Al-Tarawni, Musab A M; Aziz, Abdul Muiz; Abdullah, Suraya; A Bakar, Ahmad Ashrif.

In: Optik, Vol. 134, 01.04.2017, p. 9-20.

Research output: Contribution to journalArticle

Mat Nashim, Nadhira ; Al-Tarawni, Musab A M ; Aziz, Abdul Muiz ; Abdullah, Suraya ; A Bakar, Ahmad Ashrif. / Optimizing low half-wave voltage electro-optic polymer modulator for optical waveguide sensor. In: Optik. 2017 ; Vol. 134. pp. 9-20.
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