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	Method and system for controlling Raman gain flatness sensitivity to pump laser wavelength variation
	CHO, SI HYUNG; TSOU, JON; BAO, JUN; SRIDHAR, BALAKRISHNAN
	2003-02-25
著作权人	CIENA CORPORATION
专利号	US6525870
国家	美国
文献子类	授权发明
其他题名	Method and system for controlling Raman gain flatness sensitivity to pump laser wavelength variation
英文摘要	An exemplary embodiment of the invention is a Raman amplifier for use in an optical communications network. The Raman amplifier includes a plurality of pump lasers and a plurality of wavelength control modules, each associated with one of the pump lasers. Each wavelength control module includes a fiber Bragg grating optically coupled to a respective one of the plurality of pump lasers. The fiber Bragg grating receives a pump laser output from one of the pump lasers and generates a wavelength control module output. A temperature sensor is in thermal contact with the fiber Bragg grating and generates a temperature signal indicative of a temperature of the fiber Bragg grating. A controller is operatively connected to the temperature sensor and generates a control signal in response to the temperature signal. A thermal regulator is in thermal contact with the fiber Bragg grating and adjusts the temperature of the fiber Bragg grating in response to the control signal. The controller adjusts the temperature of the fiber Bragg grating to reduce sensitivity of Raman gain flatness to variation in a wavelength of the pump laser output.
公开日期	2003-02-25
申请日期	2001-07-26
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/35431]
专题	半导体激光器专利数据库
作者单位	CIENA CORPORATION
推荐引用方式 GB/T 7714	CHO, SI HYUNG,TSOU, JON,BAO, JUN,et al. Method and system for controlling Raman gain flatness sensitivity to pump laser wavelength variation. US6525870. 2003-02-25.

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