Optical properties and photonic mode dispersion in two-dimensional and waveguide-embedded photonic crystals

Recent experimental and theoretical work on two-dimensional (2D) and waveguide-embedded photonic crystals is reviewed. The investigated systems are 2D macroporous silicon and photonic crystal slabs based on silicon-on-insulator as well as GaAs/AlGaAs. In all these structures, reflectance at varying...

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Bibliographic Details
Published in:Synthetic metals 2003-10, Vol.139 (3), p.695-700
Main Authors: Andreani, L.C., Agio, M., Bajoni, D., Belotti, M., Galli, M., Guizzetti, G., Malvezzi, A.M., Marabelli, F., Patrini, M., Vecchi, G.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
GaAs/AlGaAs
Optical materials
Optical properties
Optical waveguides
Optics
Photonic bandgap materials
Photonic crystals
Physics
Second-harmonic generation
Silicon
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Summary:Recent experimental and theoretical work on two-dimensional (2D) and waveguide-embedded photonic crystals is reviewed. The investigated systems are 2D macroporous silicon and photonic crystal slabs based on silicon-on-insulator as well as GaAs/AlGaAs. In all these structures, reflectance at varying angles of incidence allows to determine the dispersion of photonic modes above the light line. For macroporous silicon, reflectance from the side yields a complementary measurement of the photonic gaps. In the GaAs-based system, second-harmonic generation in reflection shows a resonant enhancement when the pump beam is frequency- and momentum-matched to a photonic mode in the slab. A theory of photonic states in waveguide-embedded photonic crystals leads to a determination of mode dispersion and diffraction losses for leaky photonic modes.
ISSN:0379-6779
1879-3290
DOI:10.1016/S0379-6779(03)00330-8