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	Method and apparatus for electrically switching a wavelength control system
	BROUTIN, SCOTT L.; PLOURDE, JAMES KEVIN; STAYT, JR., JOHN WILLIAM
	2002-09-10
著作权人	AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE. LIMITED
专利号	US6449077
国家	美国
文献子类	授权发明
其他题名	Method and apparatus for electrically switching a wavelength control system
英文摘要	An apparatus controls a light source, which may be a laser. A first detector provides a first electrical signal representing an amplitude of a first light that is output by the light source. A filter receives the first light and provides a filtered light having an amplitude that depends on the amplitude and wavelength of the first light. A second detector provides a second electrical signal representing the amplitude of the filtered light. A switching device, such as a multiplexer, is capable of providing either the first electrical signal or the second electrical signal as its output signal. A common amplifier is coupled to the switching device. The common amplifier amplifies the output signal of the switching device, to alternately provide a first amplified signal and a second amplified signal, representing the first and second electrical signals, respectively. A processor receives the first and second amplified signals and generates a control signal that depends on the wavelength of the first light and is independent of the amplitude of the first light. The control signal may be, for example, a control signal for a thermoelectric cooler or a bias signal for a laser. The control signal is used to control the light source.
公开日期	2002-09-10
申请日期	1999-03-09
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/35284]
专题	半导体激光器专利数据库
作者单位	AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE. LIMITED
推荐引用方式 GB/T 7714	BROUTIN, SCOTT L.,PLOURDE, JAMES KEVIN,STAYT, JR., JOHN WILLIAM. Method and apparatus for electrically switching a wavelength control system. US6449077. 2002-09-10.

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