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	Optical Coupler
	TENG, MIN; QI, MINGHAO; NIU, BEN; WIRTH, JUSTIN CHRISTOPHER; KIM, SANGSIK; HAN, KYUNGHUN; XUAN, YI; LEE, YUN JO
	2018-03-08
著作权人	PURDUE RESEARCH FOUNDATION
专利号	US20180067259A1
国家	美国
文献子类	发明申请
其他题名	Optical Coupler
英文摘要	A semiconductor photonic device includes a substrate, facet(s), and optical coupler(s) associated with the facet(s). Each optical coupler can couple an electromagnetic field incident on the respective facet towards the substrate as the electromagnetic field proceeds into the semiconductor photonic device. In some examples, each coupler has waveguides extending in a longitudinal direction and at least partly encapsulated within corresponding cladding layers. A first waveguide extends farther from the facet in the longitudinal direction than does a second waveguide. The second waveguide is located farther above the silicon substrate than is the first waveguide. The coupler can include a stack of waveguide assemblies. A lower waveguide assembly can include one waveguide. An intermediate or upper waveguide assembly can include multiple waveguides. In some examples, at least one waveguide tapers along its length.
公开日期	2018-03-08
申请日期	2017-09-01
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/54817]
专题	半导体激光器专利数据库
作者单位	PURDUE RESEARCH FOUNDATION
推荐引用方式 GB/T 7714	TENG, MIN,QI, MINGHAO,NIU, BEN,et al. Optical Coupler. US20180067259A1. 2018-03-08.

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