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	Method for Control of Optical Intensity and Extinction Ratio of Laser Modulation in an Optical Transmitter
	REDMAN-WHITE, WILLIAM; COUE, DOMINIQUE; WHITFIELD, COLIN; ROOKES, CHRISTIAN; HUTCHINS, DEREK; BROCKLEHURST, GEORGE
	2018-08-02
著作权人	HILIGHT SEMICONDUCTOR LIMITED
专利号	US20180219354A1
国家	美国
文献子类	发明申请
其他题名	Method for Control of Optical Intensity and Extinction Ratio of Laser Modulation in an Optical Transmitter
英文摘要	A system for controlling an optical intensity and modulation of an optical data transmitter which includes current driver circuitry configured to provide a drive current to a laser diode wherein said current comprises a fixed component and a modulated component, said modulated component having a magnitude related to an input data stream. The monitor circuitry contains a photodiode and a first transimpedance amplifier coupled to said photodiode, said monitor circuitry configured to provide an output signal related to an optical intensity of said laser diode. The system further includes replica monitor circuitry containing a replica capacitor with a replica capacitance and a second transimpedance amplifier configured to be substantially identical in construction to said first transimpedance amplifier, said second transimpedance amplifier coupled to said replica capacitor. The system further includes replica capacitance control circuitry configured to control said replica capacitance of said replica capacitor to match a capacitance associated with said photodiode.
公开日期	2018-08-02
申请日期	2018-01-30
状态	申请中
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/57690]
专题	半导体激光器专利数据库
作者单位	HILIGHT SEMICONDUCTOR LIMITED
推荐引用方式 GB/T 7714	REDMAN-WHITE, WILLIAM,COUE, DOMINIQUE,WHITFIELD, COLIN,et al. Method for Control of Optical Intensity and Extinction Ratio of Laser Modulation in an Optical Transmitter. US20180219354A1. 2018-08-02.

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