New in-line fiber band pass filters using high silica dispersive optical fibers

J. W. Yu, Kyunghwan Oh

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

New types of in-line fiber filters whose core and cladding are composed of binary silica doped with either boron or fluorine are proposed. Utilizing dispersive characteristics of SiO2-B2O3 and SiO2-F systems, we demonstrate that an optical fiber, with borosilicate core and fluorosilicate cladding, shows short-pass filter response. Experimentally, we fabricated a short-pass filter fiber that could be used as a 1310/1550 nm WDM filter. We also propose theoretically that a long-pass filter could be obtained in a fiber structure whose core is fluorosilicate with borosilicate cladding. In a special long-pass filter structure, we found that the normalized frequency can be kept uniform over a wide wavelength range from 1200 to 1700 nm, which will be applied in wideband wavelength division multiplexing devices.

Original languageEnglish
Pages (from-to)111-118
Number of pages8
JournalOptics Communications
Volume204
Issue number1-6
DOIs
Publication statusPublished - 2002 Apr 1

Fingerprint

Bandpass filters
bandpass filters
Silicon Dioxide
Optical fibers
optical fibers
Silica
silicon dioxide
Wavelength division multiplexing
filters
fibers
Fibers
fluorosilicates
Boron
Fluorine
Wavelength
wavelength division multiplexing
fluorine
boron
broadband
wavelengths

All Science Journal Classification (ASJC) codes

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

Cite this

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New in-line fiber band pass filters using high silica dispersive optical fibers. / Yu, J. W.; Oh, Kyunghwan.

In: Optics Communications, Vol. 204, No. 1-6, 01.04.2002, p. 111-118.

Research output: Contribution to journalArticle

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