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	Optical amplifier with two directional pumping
	GHISLOTTI, GIORGIO; BALSAMO, STEFANO; MORASCA, SALVATORE; FERRARI, ALBERTO
	2003-09-09
著作权人	CORNING O.T.I., SPA
专利号	US6618194
国家	美国
文献子类	授权发明
其他题名	Optical amplifier with two directional pumping
英文摘要	A bidirectionally pumped optical amplifier (200) comprises an active fibre (201), a first WDM coupler (204) and a second WDM coupler (205), a first pump: branch (220) coupled to said first WDM coupler (204) comprising a first laser (202) and a first grating (210), for introducing pump radiation into said active fibre (201) in a first direction, a second pump branch (230) coupled to said second WDM coupler (205) comprising a second laser (203) and a second grating (212), for introducing pump radiation into said active fibre (201) in a second direction, opposite to said first direction. The second laser has an output power PF. A first pump residual, having a power Pinj, is coupled into said second pump branch (230) from the active fibre (201) and injected into said second laser (203). The first pump branch (220) further comprises an optical isolator (211) for the pump radiation. The output power of the injected laser and the injected pump power residual are such that PF/Pinj>2.
公开日期	2003-09-09
申请日期	2002-03-04
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/35467]
专题	半导体激光器专利数据库
作者单位	CORNING O.T.I., SPA
推荐引用方式 GB/T 7714	GHISLOTTI, GIORGIO,BALSAMO, STEFANO,MORASCA, SALVATORE,et al. Optical amplifier with two directional pumping. US6618194. 2003-09-09.

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