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Control of cavity modes in coupled periodic waveguides

Lavrinenko, Andrei; Ha, Sangwoo; Sukhorukov, Andrey; Kivshar, Yuri


We demonstrate that the modes of coupled cavities created in periodic waveguides can depend critically on the lateral shift between the cavities. In the absence of such shift, the modes feature symmetric or antisymmetric profiles, and their frequency splitting generally increases as the cavities are brought closer. We show that the longitudinal shift enables flexible control over the fundamental modes, which frequency detuning can be reduced down to zero. Our coupled-mode theory analysis...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Conference paper
Source: TACONA-Photonics 2009: Proceedings of the 2nd International Workshop
DOI: 10.1063/1.3253940


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