Efficient photonic crystal directional couplers
Autor: | Morten Thorhauge, Peter Ingo Borel, Lars Hagedorn Frandsen |
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Rok vydání: | 2003 |
Předmět: | |
Zdroj: | Optics Letters. 28:1525 |
ISSN: | 1539-4794 0146-9592 |
DOI: | 10.1364/ol.28.001525 |
Popis: | We demonstrate highly efficient and spectrally flat broadband coupling in photonic crystal directional couplers. The result is obtained by use of a novel design with smaller holes between coparallel photonic crystal waveguides for efficient channel-to-channel coupling. The system studied is based on a planar hexagonal photonic crystal lattice of holes made in silicon-on-insulator material. Results from three-dimensional finite-difference time domain modeling are shown to closely match results measured on fabricated samples. |
Databáze: | OpenAIRE |
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