期刊
APPLIED PHYSICS LETTERS
卷 94, 期 25, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3159820
关键词
Fabry-Perot resonators; integrated optics; microcavities; nanophotonics; optical waveguides; silicon-on-insulator
We study here the lateral evanescent coupling between photonic crystals cavities. The structure consists in two identical monomode Fabry-Perot nanocavities, integrated on silicon-on-insulator slot-waveguides (WG). Spectral and optical near field measurements were led and supported quantitatively by three dimensional simulations. It appears that this system produces a bimodal response: two resonances corresponding, respectively, to an even and odd mode. Particularly, the even case exhibits a field localization in the air slot inferior to lambda(air)/10. We demonstrate that merging a slotted WG structure with state-of-the-art nanocavities is a significant step toward an efficient air-slotted resonator.
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