Modes of coupled photonic crystal waveguides

Optical Society of America
Publication Type:
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 ofthese structures can be either even or odd, in contrast with the behaviour in coupled conventional waveguides in which the fundamental mode is always even. We explain this finding using an asymptotic model that is valid for wavelengths.
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