Planar photonic crystal coupled cavity waveguides

We present absolute transmission measurements of coupled cavity waveguides defined within planar photonic crystals. We investigate a range of cavity types and also vary the spacing between cavities. Modal analysis of the individual cavities reveals the symmetries that determine the coupling between...

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Bibliographic Details
Published in:IEEE journal of selected topics in quantum electronics 2002-07, Vol.8 (4), p.909-918
Main Authors: Karle, T.J., Brown, D.H., Wilson, R., Steer, M., Krauss, T.E.
Format: Article
Language:English
Subjects:
Couplings
Dielectrics
Holes
Impedance matching
Integrated optics
Joining
Lattices
Optical control
Optical waveguides
Photonic band gap
Photonic crystals
Planar waveguides
Quantum electronics
Semiconductor waveguides
Symmetry
Waveguides
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Summary:We present absolute transmission measurements of coupled cavity waveguides defined within planar photonic crystals. We investigate a range of cavity types and also vary the spacing between cavities. Modal analysis of the individual cavities reveals the symmetries that determine the coupling between adjacent cavities. Enhanced transmission is demonstrated by modifying the photonic crystal lattice. We highlight the need for correct impedance matching at the waveguide input in order to improve the transmission.
ISSN:1077-260X
1558-4542
DOI:10.1109/JSTQE.2002.801741