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	Optical apertures for reducing spontaneous emissions in photodiodes
	GUENTER, JAMES K.; TATUM, JIMMY A.; BIARD, JAMES R.
	2008-08-26
著作权人	FINISAR CORPORATION
专利号	US7418021
国家	美国
文献子类	授权发明
其他题名	Optical apertures for reducing spontaneous emissions in photodiodes
英文摘要	An optical structure that reduces the effects of spontaneous emissions from the active region of a laser. An optical structure includes optimizations to reduce the effects of spontaneous emissions. The optical structure includes a VCSEL with top and bottom DBR mirrors and an active region connected to the mirrors. The optical structure further includes a photodiode connected to the VCSEL. One or more optimizations may be included in the optical structure including optically absorbing materials, varying the geometry of the structure to change reflective angles, using optical apertures, changing the reflectivity of one or more mirrors, changing the photodiode to be more impervious to spontaneous emissions, and using ion implants to reduce photoluminescence efficiency.
公开日期	2008-08-26
申请日期	2004-12-30
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/45306]
专题	半导体激光器专利数据库
作者单位	FINISAR CORPORATION
推荐引用方式 GB/T 7714	GUENTER, JAMES K.,TATUM, JIMMY A.,BIARD, JAMES R.. Optical apertures for reducing spontaneous emissions in photodiodes. US7418021. 2008-08-26.

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