Grating-assisted directional couplers (GADC) are designed to couple the power between two waveguides with highly dissimilar effective indices. The GADC structure is used for wavelength division multiplexed (WDM) systems to simplify coupling to optical fibers. In this paper, we use the Floquet Bloch theory to analyze this GADC structure because it provides rigorous solutions without introducing ad hoc assumptions.
Grating-assisted coupling of light between semiconductor and glass waveguides
1997-01-01
175588 byte
Conference paper
Electronic Resource
English
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