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	Optical routing/switching based on control of waveguide-ring resonator coupling
	YARIV, AMNON
	2002-02-05
著作权人	CALIFORNIA INSTITUTE OF TECHNOLOGY
专利号	AU2002024568A1
国家	澳大利亚
文献子类	发明申请
其他题名	Optical routing/switching based on control of waveguide-ring resonator coupling
英文摘要	An optical wave power control device and method enables signal control, such as modulation and switching, to be effected with the application of very low power to a controller which is in optical communication with a recirculating mode resonator (200) and an optical propagation element. The propagation element is in power communication with a high-Q volumetric resonator. Power of a chosen resonant wavelength is coupled into the resonator, where it circulates with very low loss and returns to the propagation element. By applying a control signal into the controller, the propagated power can be varied between substantially full and substantially zero amplitudes. Loss factors can be maintained such that the resonator is overcoupled (i.e. parasitic losses are less than coupling losses). A critical coupling condition can be induced by a small swing in the controller, causing a disproportionate change in the output optical signal. The controller is preferably embodied in an interferometer (116) in the optical path of the resonator, and the control signal can be an applied voltage, current, or optical signal.
公开日期	2002-02-05
申请日期	2000-12-07
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/52313]
专题	半导体激光器专利数据库
作者单位	CALIFORNIA INSTITUTE OF TECHNOLOGY
推荐引用方式 GB/T 7714	YARIV, AMNON. Optical routing/switching based on control of waveguide-ring resonator coupling. AU2002024568A1. 2002-02-05.

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