Design of Waveguide Bragg Gratings With Strong Index Corrugations

Waveguide Bragg grating structures with strong index corrugations are analyzed by the complex mode-matching method. As the index corrugation increases, the peak wavelength of the reflection spectrum is shifted towards shorter wavelength from the conventional Bragg condition due to the energy storage...

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Bibliographic Details
Published in:Journal of lightwave technology 2008-06, Vol.26 (12), p.1596-1601
Main Authors: Mu, Jian-Wei, Zhang, Hua, Huang, Wei-Ping
Format: Article
Language:English
Subjects:
Applied sciences
Bragg gratings
Circuit properties
Corrugating
Deep gratings
Diffraction gratings
Electric, optical and optoelectronic circuits
Electromagnetic waveguides
Electronics
Energy storage
Exact sciences and technology
Floquet-Bloch mode
Gratings (spectra)
Integrated optics
Integrated optics. Optical fibers and wave guides
Interference
Mode matching methods
Optical and optoelectronic circuits
Optical coupling
Optical feedback
Optical filters
Optical reflection
Optical waveguides
phase shift
Reflection
Waveguides
Wavelengths
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Summary:Waveguide Bragg grating structures with strong index corrugations are analyzed by the complex mode-matching method. As the index corrugation increases, the peak wavelength of the reflection spectrum is shifted towards shorter wavelength from the conventional Bragg condition due to the energy storage effect. It is shown that the peak wavelength corresponds to the center of the stop-band of the Floquet-Bloch mode. An efficient and reliable iterative method is proposed for design of grating structures with strong corrugations.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2008.919465