Enhancement of chemical sensing capability in a photonic crystal fiber with a hollow high index ring defect at the center

Jiyoung Park, Sejin Lee, Soan Kim, Kyunghwan Oh

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

A new type of index-guided photonic crystal fiber is proposed to enhance chemical sensing capability by introducing a hollow high index ring defect that consists of the central air hole surrounded by a high index GeO2 doped SiO2 glass ring. Optical properties of the fundamental guided mode were numerically analyzed using the full-vector finite element method varying the design parameters of both the defects in the center and the hexagonal air-silica lattice in the cladding. Enhanced evanescent wave interaction in the holey region and lower confinement loss by an order of magnitude were achieved simultaneously, which shows a high potential in hyper sensitive fiber-optic chemical sensing applications.

Original languageEnglish
Pages (from-to)1921-1929
Number of pages9
JournalOptics Express
Volume19
Issue number3
DOIs
Publication statusPublished - 2011 Jan 31

Fingerprint

hollow
photonics
fibers
augmentation
rings
defects
crystals
air
evanescent waves
wave interaction
fiber optics
finite element method
silicon dioxide
optical properties
glass

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

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Enhancement of chemical sensing capability in a photonic crystal fiber with a hollow high index ring defect at the center. / Park, Jiyoung; Lee, Sejin; Kim, Soan; Oh, Kyunghwan.

In: Optics Express, Vol. 19, No. 3, 31.01.2011, p. 1921-1929.

Research output: Contribution to journalArticle

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