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Prokhodtsov A, Golikov A, An P, Kovalyuk V, Goltsman G, Arakelyan S, et al. Effect of silicon oxide coating on a silicon nitride focusing grating coupler efficiency. In: EPJ Web Conf. Vol 220.; 2019. 02009.
Abstract: The dependence of the efficiency of the focusing grating couplers on the period and filling factor before and after deposition of the upper silicon oxide layer was experimentally studied. The obtained data are of practical importance for tunable integrated-optical devices based on silicon nitride platform.
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