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	Ridge type semiconductor laser of distributed feedback
	WATANABE, YOSHIAKI; CHEN, NONG; TAKEI, KIYOSHI; CHIKUMA, KIYOFUMI
	2004-03-30
著作权人	PIONEER CORPORATION
专利号	US6714571
国家	美国
文献子类	授权发明
其他题名	Ridge type semiconductor laser of distributed feedback
英文摘要	A semiconductor laser includes an active layer made of semiconductor; a ridge stripe having a cladding layer formed on the active layer and a contact layer formed on the cladding layer to protrude from the active layer; a pair of gratings each having a periodic structure in a longitudinal direction of the ridge stripe having a plurality of grooves each extending from side walls of the ridge stripe on flat portions in both sides of the ridge stripe; and absorbing layers covering the surfaces of the grooves of gratings to absorb excited light.
公开日期	2004-03-30
申请日期	2001-03-28
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/41654]
专题	半导体激光器专利数据库
作者单位	PIONEER CORPORATION
推荐引用方式 GB/T 7714	WATANABE, YOSHIAKI,CHEN, NONG,TAKEI, KIYOSHI,et al. Ridge type semiconductor laser of distributed feedback. US6714571. 2004-03-30.

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