Transmission characteristics of long-period fiber gratings having arbitrary azimuthal/radial refractive index variations

A numerical method is presented for determining the transmittance of long-period (LP) fiber-gratings having arbitrary azimuthal/radial refractive index variations. The method uses coupled-mode theory and includes both the sine and cosine character of the LP modes. The model treats interactions betwe...

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Bibliographic Details
Published in:Journal of lightwave technology 2003-01, Vol.21 (1), p.218-227
Main Authors: Anemogiannis, E., Glytsis, E.N., Gaylord, T.K.
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Cladding
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Fiber gratings
Fiber lasers
Fibers
Integrated optics. Optical fibers and wave guides
Joining
Laser modes
Mathematical models
Numerical analysis
Optical and optoelectronic circuits
Optical device fabrication
Optical fiber communication
Optical fiber theory
Optical fibers
Optical refraction
Power markets
Refractive index
Refractivity
Transmittance
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Summary:A numerical method is presented for determining the transmittance of long-period (LP) fiber-gratings having arbitrary azimuthal/radial refractive index variations. The method uses coupled-mode theory and includes both the sine and cosine character of the LP modes. The model treats interactions between the fundamental LP/sub 01/ mode and high-azimuthal-order cladding modes. The method utilizes the transfer matrix method to model cylindrical layers both in the core and the cladding regions.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2003.808637