专利名称：OPTICAL MODE-SIZE CONVERTER
发明人：GEISELMANN, Michael,ZERVAS,
沃尔得Michael,SACCHETTO, Davide,STROGANOV,
拨弄Anton
申请号：EP20711168.3
申请日：20200313老挝语
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公开号：EP3938823A1
公开日：
大学英语六级成绩查询时间
floorplanner20220119
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摘要：An optical mode size converter 300, comprising a: guide portion 350; first strip 330 with first refractive index; and cond strip 340 with cond refractive index. The first and cond strips have indexes higher than that of the guide and overlap to form an evanescent coupling region (260, Fig. 2). An evanescent coupling layer 350 may be dispod between the strips. The strip’s indexes may be identical. The strips may compri hydrogenated, or hydrogen-free, silicon oxynitride. The coupling layer’s refractive index may be larger than the guide portion’s and smaller than the strip’s. The cond strip’s cross-ction may be identical to an output waveguide core’s (121, Fig. 1) cross-ction. The refractive indexes of the cond strip and guide portion may be identical to an output waveguide core’s and output waveguide cladding’s (122, Fig. 1) respectively. The strip’s cross-ction areas may vary; the first strip’s area may be smaller than the cond strip’s. The first strip and guide portion may operate below a wavelength cut-off. The converter may be supported on a waveguide chip connected (butt-coupled) to a cleaved optical fibre. The guide portion may compri: a trench delimited by two slabs of lower refractive index than a core.
申请人：Ligentec SA
地址：EPFL Innovation Park Bâtiment L Chemin de la Dent-d'Oche 1B 1024 Ecublens VD CH
哥伦比亚大学研究生
不良情侣电视剧国籍：CH
代理机构：Piotrowicz, Pawel Jan Andrzej
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