W-type fiber design for application in U- and S-band amplifiers by controlling the LP 01 mode long wavelength cut-off

Seongwoo Yoo, Yongmin Jung, Junki Kim, Jhang W. Lee, Kyunghwan Oh

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We propose a novel passive band-pass filtering scheme to obtain a net gain in a band-competing system using a W-type fiber waveguide, slicing a shorter wavelength gain band out of a given stimulated emission cross-section. By controlling the location of the LP 01 mode cut-off, fiber design parameters are presented for obtaining a U-band gain from Tm ions and S-band from Er ions. The tolerance of the LP 01 mode cut-off wavelength and the accompanying bending loss are theoretically analyzed in terms of waveguide parameters.

Original languageEnglish
Pages (from-to)332-345
Number of pages14
JournalOptical Fiber Technology
Volume11
Issue number4
DOIs
Publication statusPublished - 2005 Oct 1

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Waveguides
Ions
Wavelength
Stimulated emission
Fibers

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

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abstract = "We propose a novel passive band-pass filtering scheme to obtain a net gain in a band-competing system using a W-type fiber waveguide, slicing a shorter wavelength gain band out of a given stimulated emission cross-section. By controlling the location of the LP 01 mode cut-off, fiber design parameters are presented for obtaining a U-band gain from Tm ions and S-band from Er ions. The tolerance of the LP 01 mode cut-off wavelength and the accompanying bending loss are theoretically analyzed in terms of waveguide parameters.",
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W-type fiber design for application in U- and S-band amplifiers by controlling the LP 01 mode long wavelength cut-off . / Yoo, Seongwoo; Jung, Yongmin; Kim, Junki; Lee, Jhang W.; Oh, Kyunghwan.

In: Optical Fiber Technology, Vol. 11, No. 4, 01.10.2005, p. 332-345.

Research output: Contribution to journalArticle

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AU - Oh, Kyunghwan

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