Design of multichannel DWDM fiber Bragg grating filters by Lagrange multiplier constrained optimization

Cheng Ling Lee, Ray Kuang Lee, Yee-Mou Kao

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

We present the synthesis of multi-channel fiber Bragg grating (MCFBG) filters for dense wavelength-division-multiplexing (DWDM) application by using a simple optimization approach based on a Lagrange multiplier optimization (LMO) method. We demonstrate for the first time that the LMO method can be used to constrain various parameters of the designed MCFBG filters for practical application demands and fabrication requirements. The designed filters have a number of merits, i.e., flat-top and low dispersion spectral response as well as single stage. Above all, the maximum amplitude of the index modulation profiles of the designed MCFBGs can be substantially reduced under the applied constrained condition. The simulation results demonstrate that the LMO algorithm can provide a potential alternative for complex fiber grating filter design problems.

Original languageEnglish
Pages (from-to)11002-11011
Number of pages10
JournalOptics Express
Volume14
Issue number23
DOIs
Publication statusPublished - 2006 Jan 1

Fingerprint

Lagrange multipliers
wavelength division multiplexing
Bragg gratings
filters
optimization
fibers
spectral sensitivity
gratings
modulation
requirements
fabrication
synthesis
profiles
simulation

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

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abstract = "We present the synthesis of multi-channel fiber Bragg grating (MCFBG) filters for dense wavelength-division-multiplexing (DWDM) application by using a simple optimization approach based on a Lagrange multiplier optimization (LMO) method. We demonstrate for the first time that the LMO method can be used to constrain various parameters of the designed MCFBG filters for practical application demands and fabrication requirements. The designed filters have a number of merits, i.e., flat-top and low dispersion spectral response as well as single stage. Above all, the maximum amplitude of the index modulation profiles of the designed MCFBGs can be substantially reduced under the applied constrained condition. The simulation results demonstrate that the LMO algorithm can provide a potential alternative for complex fiber grating filter design problems.",
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Design of multichannel DWDM fiber Bragg grating filters by Lagrange multiplier constrained optimization. / Lee, Cheng Ling; Lee, Ray Kuang; Kao, Yee-Mou.

In: Optics Express, Vol. 14, No. 23, 01.01.2006, p. 11002-11011.

Research output: Contribution to journalArticle

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