QQ客服 官方微博 反馈留言

	Vertical cavity surface emitting lasers with electrically conducting mirrors
	DENNIS GLENN DEPPE; LEONARD CECIL FELDMAN; ROSE FASANO KOPF; ERDMANN FREDERICK SCHUBERT; LI-WEI TU; GEORGE JOHN ZYDZIK
	1995-08-31
著作权人	AT&T CORP.
专利号	HK0951371A
国家	中国香港
文献子类	发明申请
其他题名	Vertical cavity surface emitting lasers with electrically conducting mirrors
英文摘要	This invention is a semiconductor vertical cavity surface emitting laser comprising a lasing cavity with an active layer (14), a bottom (rear) mirror (12) and a top (front) mirror (17), and a front and rear electrodes (17,18) for applying excitation current in direction substantially parallel to the direction of optical propagation. In accordance with this invention the front mirror comprises a thin, semitransparent metal layer (17) which also acts as the front electrode. The metal layer is upon a highly doped layer (16) forming a non-alloyed ohmic contact. The metal is selected from Ag and Al and is deposited in thickness ranging from 5 to 55 nm. The VCSEL is a semiconductor device wherein the semiconductor material is a III-V or II-VI compound semiconductor. For a VCSEL with GaAs active layer, the light output from the front metal mirror/electrode side yields a high external differential quantum efficiency as high as 54 percent. This is the highest quantum efficiency obtained in VCSEL structures. Quantum efficiences on the order of 10 to 30 percent are typical for prior art VCSEL structures. The VCSEL is suitable for fabrication utilizing planar technology.
公开日期	1995-08-31
申请日期	1995-08-04
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/93067]
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	DENNIS GLENN DEPPE,LEONARD CECIL FELDMAN,ROSE FASANO KOPF,et al. Vertical cavity surface emitting lasers with electrically conducting mirrors. HK0951371A. 1995-08-31.

个性服务

查看访问统计

相关权益政策

暂无数据

收藏/分享

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。