An analytical investigation of four-layer dielectric optical fibers with Au nano-coating - A comparison with three-layer optical fibers

F. A. Rahman, Pankaj Kumar Choudhury, D. Kumar, Z. Yusoff

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

An analytical investigation has been presented of Au nano-coated dielectric optical fibers. The propagation constants of different transverse TE and hybrid EH modes are obtained corresponding to varying nano-coating thickness. It has been observed that the Au-layer has its profound effect on the number of propagating modes in the fiber, and the number of sustained modes is much reduced with the increase in Au-layer thickness. For the sake of comparative investigation, the modal behavior of three-layer dielectric fibers is also taken into account together with the Au nano-coated four-layer fiber. It is reported that the Au-layer has the effect of mode proliferation with simultaneous reduction in their propagation constant values.

Original languageEnglish
Pages (from-to)269-286
Number of pages18
JournalProgress in Electromagnetics Research
Volume90
Publication statusPublished - 2009
Externally publishedYes

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Optical fibers
optical fibers
coatings
Coatings
Fibers
fibers
propagation

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Radiation
  • Electrical and Electronic Engineering

Cite this

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AU - Kumar, D.

AU - Yusoff, Z.

PY - 2009

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AB - An analytical investigation has been presented of Au nano-coated dielectric optical fibers. The propagation constants of different transverse TE and hybrid EH modes are obtained corresponding to varying nano-coating thickness. It has been observed that the Au-layer has its profound effect on the number of propagating modes in the fiber, and the number of sustained modes is much reduced with the increase in Au-layer thickness. For the sake of comparative investigation, the modal behavior of three-layer dielectric fibers is also taken into account together with the Au nano-coated four-layer fiber. It is reported that the Au-layer has the effect of mode proliferation with simultaneous reduction in their propagation constant values.

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