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	Waveguide taper with lateral rib confinement waveguides
	DE MESEL, KURT; GALARZA, MARKO; ARAMBURO, CANDIDO; BAETS, ROEL
	2003-12-17
著作权人	INTERUNIVERSITAIR MICROELEKTRONICA CENTRUM VZW
专利号	EP1245971B1
国家	欧洲专利局
文献子类	授权发明
其他题名	Waveguide taper with lateral rib confinement waveguides
英文摘要	A waveguide component has a slab waveguide (104), a rib waveguide (101), and a mode transition section where the rib waveguide and the slab waveguide are adjacent, and where the rib waveguide is tapered (110), to provide optical coupling, and lateral confinement rib waveguides (102,103) are provided along the slab waveguide in the mode transition section to confine light spreading laterally. The lateral confinement ribs can be formed in the same step with the same mask as used for the taper, to ensure alignment with the taper. They can be arranged on either side of the taper. The lateral confinement ribs are significant for enabling a mode transition section which couples with low loss. In particular, it reduces the need for the taper to be so fine, or the taper to be made in both vertical and horizontal axes, both of which cause fabrication difficulties.
公开日期	2003-12-17
申请日期	2002-03-28
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/36858]
专题	半导体激光器专利数据库
作者单位	INTERUNIVERSITAIR MICROELEKTRONICA CENTRUM VZW
推荐引用方式 GB/T 7714	DE MESEL, KURT,GALARZA, MARKO,ARAMBURO, CANDIDO,et al. Waveguide taper with lateral rib confinement waveguides. EP1245971B1. 2003-12-17.

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