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	Optical amplifier-integrated super luminescent diode and external cavity laser using the same
	OH, SU HWAN; JU, JUNG JIN
	2010-03-30
著作权人	ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
专利号	US7688870
国家	美国
文献子类	授权发明
其他题名	Optical amplifier-integrated super luminescent diode and external cavity laser using the same
英文摘要	Provided is a super luminescent diode having low power consumption due to low threshold current and a high output power in low-current operation, which is suitable for an external cavity laser. The super luminescent diode for use in the external cavity laser is divided into a super luminescent diode (SLD) region and a semiconductor optical amplifier (SOA) region to provide a light source having a low threshold current and a nearly double output power of a conventional SLD. A super luminescent diode-integrated reflective optical amplifier includes a substrate that has a super luminescent diode (SLD) region and a semiconductor optical amplifier (SOA) region for amplifying light generated from the SLD region, an optical waveguide that has a buried heterostructure, the buried heterostructure including an active layer extending over the SLD and SOA regions on the substrate and tapered in the SOA region; a current blocking layer formed around the active layer for blocking a current flow to layers other than the active layer, the current blocking layer including a stack of semiconductor layers having different conductivity types; and a clad layer formed on the optical waveguide and the current blocking layer.
公开日期	2010-03-30
申请日期	2008-07-30
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/45955]
专题	半导体激光器专利数据库
作者单位	ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
推荐引用方式 GB/T 7714	OH, SU HWAN,JU, JUNG JIN. Optical amplifier-integrated super luminescent diode and external cavity laser using the same. US7688870. 2010-03-30.

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