Abstract

Muller integral equation formulation combined with the Galerkin-type spectral discretization method is used to investigate optical properties of compact laterally coupled dielectric and semiconductor microcavities and to design novel structures with improved functionality. Coupled microcavity configurations of various shapes are simulated, and geometrical parameters are tailored to obtain complex photonic molecules with single-mode operation and directional emission patterns. Propagation characteristics of coupled-resonator optical waveguides (CROWs) formed as chains of laterally coupled whispering-gallery (WG) mode microdisk resonators are also studied. Straight and bent CROW sections are modeled and optimized to minimize bend radiation losses.

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