专利名称：90-degree optical hybrid
发明人：Akira Oka
83版红楼梦申请号：US17178743
申请日：20210218
公开号：US11307355B2
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公开日：
水龙头漏水20220419
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摘要：A 90-degree optical hybrid includes two optical splitters that respectively split inputted light into two beams, two optical combiners that respectively combine two beams of inputted light and thereby output two beams of interfering light respectively,and four arm waveguides that input light splitted by any of the two optical splitters into
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any of the two optical combiners. Each of the four arm waveguides has a bend waveguide arranged at its center and a plurality of optical waveguides including a tapered waveguide having a width that decreas toward the bend waveguide. Both ends of each of the plurality of optical waveguides are respectively in contact with a end surface of any one of the two optical splitter, the two optical combiners, the bend waveguide and the other of the plurality of optical waveguides, and each of the plurality of waveguides is the tapered waveguide or a linear waveguide.
申请人：Fujitsu Optical Components Limited
地址：Kawasaki JP
国籍：JP回望过去
学前儿童健康教育代理机构：Staas & Haly LLP
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