Hollow optical waveguide coupler for portable access card system application

Abang Annuar Ehsan, Sahbudin Shaari, Mohd Kamil Abd Rahman, Kee Mohd Rafique Kee Zainal Abidin

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A new application of an asymmetric hollow optical waveguide coupler is presented. The asymmetricallydesign hollow waveguide coupler provides a unique series of output power which successively is used as an optical code in a portable access card system. The output power are arranged in a way that it will represent a unique optical code. The waveguide design combines two major structures which are asymmetric Y-junction splitter and linear taper. The use of a basic 1×2 asymmetric waveguide coupler design together with a cascaded design technique allow more complex and higher level hollow waveguide coupler to be constructed. The code combination generated by the waveguide coupler theoretically provides the access card system with millions of possible code combination as the number of output ports increases. The code combination of the waveguide coupler is derived using combinatory number theory where the combination is dependable on the number of output ports.

Original languageEnglish
Pages (from-to)67-73
Number of pages7
JournalJournal of Optical Communications
Volume30
Issue number2
Publication statusPublished - 2009

Fingerprint

Waveguide couplers
cards
Optical waveguides
optical waveguides
couplers
hollow
waveguides
output
number theory
Number theory
tapering
Waveguides

ASJC Scopus subject areas

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

Cite this

Ehsan, A. A., Shaari, S., Rahman, M. K. A., & Abidin, K. M. R. K. Z. (2009). Hollow optical waveguide coupler for portable access card system application. Journal of Optical Communications, 30(2), 67-73.

Hollow optical waveguide coupler for portable access card system application. / Ehsan, Abang Annuar; Shaari, Sahbudin; Rahman, Mohd Kamil Abd; Abidin, Kee Mohd Rafique Kee Zainal.

In: Journal of Optical Communications, Vol. 30, No. 2, 2009, p. 67-73.

Research output: Contribution to journalArticle

Ehsan, AA, Shaari, S, Rahman, MKA & Abidin, KMRKZ 2009, 'Hollow optical waveguide coupler for portable access card system application', Journal of Optical Communications, vol. 30, no. 2, pp. 67-73.
Ehsan, Abang Annuar ; Shaari, Sahbudin ; Rahman, Mohd Kamil Abd ; Abidin, Kee Mohd Rafique Kee Zainal. / Hollow optical waveguide coupler for portable access card system application. In: Journal of Optical Communications. 2009 ; Vol. 30, No. 2. pp. 67-73.
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