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	Method for manipulating optical energy using poled structure
	BRINKMAN, MICHAEL, J.; DEACON, DAVID, A., G.; BISCHEL, WILLIAM, K.; FIELD, SIMON, J.
	1998-05-13
著作权人	GEMFIRE CORPORATION
专利号	EP0783719A4
国家	欧洲专利局
文献子类	发明申请
其他题名	Method for manipulating optical energy using poled structure
英文摘要	Method for optical energy transfer and energy guidance uses an electric field to control energy propagation using a class of poled structures in solid material. The poled structures, which may form gratings in thin film or bulk configurations, may be combined with waveguide structures. Electric fields are applied to the poled structures to control routing of optical energy. Techniques include frequency-selective switchable- and adjustable-tunable reflection, splitting, directional coupling, frequency-tunable switching and efficient beam combining, as well as polarized beam combining. Adjustable tunability is obtained by a poled structure which produces a spatial gradient in a variable index of refraction along an axis in the presence of a variable electric field. In one embodiment, the present invention is a method of switching a grating which consists of a poled material with an alternating domain structure of specific period. When an electric field is applied across the periodic structure, a Bragg grating is formed by the electro-optic effect, reflecting optical radiation with a certain bandwidth around a center wavelength. The grating may be used by itself, or in combination with other gratings to form integrated structures in a ferroelectric crystal. Specifically of interest is an method of using an integrated structure in which one or more optical waveguides interact with one or more periodic structures to form a wavelength selective integrated optic modulator, switch, or feedback element.
公开日期	1998-05-13
申请日期	1995-09-07
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/67861]
专题	半导体激光器专利数据库
作者单位	GEMFIRE CORPORATION
推荐引用方式 GB/T 7714	BRINKMAN, MICHAEL, J.,DEACON, DAVID, A., G.,BISCHEL, WILLIAM, K.,et al. Method for manipulating optical energy using poled structure. EP0783719A4. 1998-05-13.

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