Modes of coupled photonic crystal waveguides

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Journal Article
Optics Letters, 2004, 29 (12), pp. 1384 - 1386
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We consider the modes of coupled photonic crystal waveguides. We find that the fundamental modes of these structures can be either even or odd, in contrast with the behavior in coupled conventional waveguides, in which the fundamental mode is always even. We explain this finding using an asymptotic model that is valid for long wavelengths. © 2004 Optical Society of America.
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