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	Optical star coupler utilizing fiber amplifier technology
	BERGMANN, ERNEST EISENHARDT
	1995-12-13
著作权人	AT&T CORP.
专利号	EP0474426B1
国家	欧洲专利局
文献子类	授权发明
其他题名	Optical star coupler utilizing fiber amplifier technology
英文摘要	An MxN optical star coupler is disclosed which utilizes fiber amplifier technology to provide amplification of message signals. The input signals to the star comprise at least one message signal (S) and at least one pump signal (P₁ -PM-1). The message signals and pump signals combine in an amplifier coupling region (16) to form as an output the amplified message signals (A₁-AN). The amplified message signals are then coupled into the plurality of N output waveguides (18₁-18N). In one embodiment, a plurality of fiber amplifiers are coupled in a one-to-one relationship to the plurality of output waveguides. Since the amplifier is reciprocal in nature, the star may be utilized as a bidirectional device. The couplers may also be connected together to form a cascaded arrangement capable of providing re-amplification of the message signals.
公开日期	1995-12-13
申请日期	1991-08-28
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/36054]
专题	半导体激光器专利数据库
作者单位	AT&T CORP.
推荐引用方式 GB/T 7714	BERGMANN, ERNEST EISENHARDT. Optical star coupler utilizing fiber amplifier technology. EP0474426B1. 1995-12-13.

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