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	Interlayer directional coupling in antiresonant reflecting optical waveguides
	KOCH, THOMAS LAWSON
	1993-01-07
著作权人	AT&T CORP.
专利号	EP0263640B1
国家	欧洲专利局
文献子类	授权发明
其他题名	Interlayer directional coupling in antiresonant reflecting optical waveguides
英文摘要	A grating in the upper reflecting layer (103 or 203) of an antiresonant reflecting optical waveguide is used to extract energy of a selected wavelength from the waveguiding layer (102 or 202) into the reflecting layer. In one embodiment the reflecting layer (103) is designed as a gain medium which is pumped in the region of a grating (120) and optically terminated at each end of the device such that the embodiment serves as a laser having a long cavity provided by the waveguiding layer (102) with the gain provided in the short grating region. In a second embodiment the reflecting layer (203) in the region of a grating (211) has an opposite conductivity dopant from that of the waveguiding layer (202) such that the device in this region may be backbiased to serve as a wavelength selective photodetector. By placing two wavelength photodetectors in tandem with gratings (211 and 212) of different pitches a wavelength demultiplexing photodetector is provided.
公开日期	1993-01-07
申请日期	1987-09-30
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/42011]
专题	半导体激光器专利数据库
作者单位	AT&T CORP.
推荐引用方式 GB/T 7714	KOCH, THOMAS LAWSON. Interlayer directional coupling in antiresonant reflecting optical waveguides. EP0263640B1. 1993-01-07.

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