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Paired modes of heterostructure cavities in photonic crystal waveguides with split band edges

Mahmoodian, Sahand; Sukhorukov, Andrey A; Ha, Sangwoo; Lavrinenko, Andrei V; Poulton, Christopher G; Dossou, Kokou B; Botten, Lindsay; McPhedran, Ross C; de Sterke, C M


We investigate the modes of double heterostructure cavities where the underlying photonic crystal waveguide has been dispersion engineered to have two band-edges inside the Brillouin zone. By deriving and using a perturbative method, we show that these structures possess two modes. For unapodized cavities, the relative detuning of the two modes can be controlled by changing the cavity length, and for particular lengths, a resonant-like effect makes the modes degenerate. For apodized cavities no...[Show more]

CollectionsANU Research Publications
Date published: 2010-12-06
Type: Journal article
Source: Optics express
DOI: 10.1364/OE.18.025693


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