A new technical paper titled "Advances in waveguide to waveguide couplers for 3D integrated photonic packaging" was published by researchers at MIT and Bridgewater State University.
Abstract
"In this paper, we provide an overview and comparison of devices used for optical waveguide-to-waveguide coupling including inter-chip edge couplers, grating couplers, free form couplers, evanescent cou...
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