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	Adiabatic polarization manipulating device
	HENRY, CHARLES HOWARD; KAZARINOV, RUDOLF FEOGOR; SHANI, YOSI
	1991-12-27
著作权人	AT&T CORP.
专利号	EP0389172A3
国家	欧洲专利局
文献子类	发明申请
其他题名	Adiabatic polarization manipulating device
英文摘要	A TE-TM polarization manipulating (i.e., splitting, combining or filtering) device is constructed from substrate-supported dielectric thin film waveguides. In a 3-port device, two waveguides (10,12) have cores (10.1, 12.1) of different materials and different effective refractive indices. The waveguide cores overlap in a first transition section (18) and one waveguide core has an adiabatic taper (12.6); in this section they also separate adiabatically and are coupled to a second (e.g., output) section (16) where the waveguides are physically separate and optically decoupled. In a 4-port device, two additional waveguides are coupled in a second adiabatic transition section to the first transition section to enable TE or TM modes to be coupled straight through the device from one input port to a directly opposite output port or to be crossed-over from one input port to a diagonally opposite output port.
公开日期	1991-12-27
申请日期	1990-03-14
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/71913]
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	HENRY, CHARLES HOWARD,KAZARINOV, RUDOLF FEOGOR,SHANI, YOSI. Adiabatic polarization manipulating device. EP0389172A3. 1991-12-27.

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