Vertical Integration of Optical Waveguides and Interconnection by a Pair of Integrated Grating Couplers.
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概要
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Vertical integration of planar single-mode optical waveguides and their interconnectiorr were discussed and demonstrated. A pair of grating couplers were used for transferring guided power from one waveguide to the other via a bridging mode. Utilization of a bridging mode enables efficient coupling of waveguides stacked far between as well as selective coupling among multistory structure. Wavelength dispersion of the grating couplers and mode discontinuity of the guided modes provide sharp wavelength selectivity. Prototype devices were designed, fabricated and characterized for two types of interconnection, namely, wavelengthdivision demultiplexing via radiation modes among stacked three waveguides and optical drol demultiplexing via supermode between stacked two waveguides.
- 社団法人 エレクトロニクス実装学会の論文