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	Method and apparatus for a highly efficient, high performance optical amplifier
	GHERA, URI; SINTOV, YOAV; ZAIBEL, REUVEN
	2003-05-01
著作权人	REDE OPTICAL NETWORKS LTD.
专利号	US20030081892A1
国家	美国
文献子类	发明申请
其他题名	Method and apparatus for a highly efficient, high performance optical amplifier
英文摘要	A high efficiency, high performance optical amplifier includes an amplification stage comprised of two Erbium doped fiber (EDF) gain sections separated by a variable optical attenuator (VOA). A single pump serves to pump both EDF sections. A high dynamic gain range is achieved by an interplay between the action of the VOA, and the pump energy absorption mechanisms in each gain section, which are dominated by the saturation characteristics of each of the EDFs. In a preferred embodiment of the method, input signals are coupled with a pump signal into a first EDF gain section in which the energy absorption mechanisms provide first amplified signals that are correlated with a residual pump signal. At the first EDF gain section output, the combined amplified signals and residual pump signal are decoupled, the amplified signals being attenuated in the VOA while the residual pump signal being routed around the VOA. The attenuated signals and the residual pump signal are recoupled and introduced into the second EDF gain section, in which the energy absorption mechanisms provide gain equalized output signals.
公开日期	2003-05-01
申请日期	2001-10-30
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/52574]
专题	半导体激光器专利数据库
作者单位	REDE OPTICAL NETWORKS LTD.
推荐引用方式 GB/T 7714	GHERA, URI,SINTOV, YOAV,ZAIBEL, REUVEN. Method and apparatus for a highly efficient, high performance optical amplifier. US20030081892A1. 2003-05-01.

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