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	Optical waveguide device
	TAMADA, HITOSHI; KANEKO, MASAHIKO; OKAMOTO, TSUTOMU
	1990-02-06
著作权人	SONY CORPORATION, A CORP. OF JAPAN
专利号	US4898440
国家	美国
文献子类	授权发明
其他题名	Optical waveguide device
英文摘要	An optical waveguide device is disclosed which utilizes an interaction between a guided optical wave and a magnetostatic wave. The optical waveguide device comprises a layer of bismuth substituted magnetic garnet which guides an optical wave. A pair of electrodes coupled to the layer of the magnetic garnet generates a magnetostatic backward volume wave in the layer of the magnetic garnet under an application of a certain bias magnetic field. The guided optical wave and the magnetostatic wave interact with each other wherein adverse effect caused by a spin effect is avoided to realize high efficiency at high frequency.
公开日期	1990-02-06
申请日期	1988-09-14
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/35901]
专题	半导体激光器专利数据库
作者单位	SONY CORPORATION, A CORP. OF JAPAN
推荐引用方式 GB/T 7714	TAMADA, HITOSHI,KANEKO, MASAHIKO,OKAMOTO, TSUTOMU. Optical waveguide device. US4898440. 1990-02-06.

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