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	Sort pulse light source and generating method for short pulse light
	MIYAZAWA TAKEO; NAGANUMA KAZUNORI; IWAMURA HIDETOSHI
著作权人	日本電信電話株式会社
专利号	JP1992215489A
国家	日本
文献子类	发明申请
其他题名	Sort pulse light source and generating method for short pulse light
英文摘要	PURPOSE:To obtain a light having a shorter pulse width than that of a prior art type semiconductor mode locking laser by strengthening a pulse sharpening operation in a light amplifying region and a saturable absorption region. CONSTITUTION:A light amplifying region 1 is formed in a graded index InGaAs/ InGaAsP quantum well laser structure. The numbers of InGaAs well layers of a quantum well 10 and InGaAsP barrier layers are 12 and 11, a clad layer 11 is made of InP, and the uppermost part of an epitaxial layer is formed of an Inlays cap layer 12. A DC current slightly larger than a threshold value is applied to the above laser structure. A reverse bias is applied to the same laser structure of a saturable absorption region to operate as a saturable absorber. A high frequency current of 16GHz is applied to the region 1 to obtain a pulse having 8GHz of a repetition frequency and 1ps of a width.
公开日期	1992-08-06
申请日期	1990-12-14
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/44077]
专题	半导体激光器专利数据库
作者单位	日本電信電話株式会社
推荐引用方式 GB/T 7714	MIYAZAWA TAKEO,NAGANUMA KAZUNORI,IWAMURA HIDETOSHI. Sort pulse light source and generating method for short pulse light. JP1992215489A.

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