Ultrafast laser beam switching and pulse train generation by using coupled vertical-cavity, surface-emitting lasers (VCSELS)

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	Ultrafast laser beam switching and pulse train generation by using coupled vertical-cavity, surface-emitting lasers (VCSELS)
其他题名	Ultrafast laser beam switching and pulse train generation by using coupled vertical-cavity, surface-emitting lasers (VCSELS)
	GOORJIAN, PETER M.; NING, CUN-ZHENG
	2005-03-08
专利权人	USA AS REPRESENTED BY THE
公开日期	2005-03-08
授权国家	美国
专利类型	授权发明
摘要	Ultrafast directional beam switching is achieved using coupled VCSELs. This approach is demonstrated to achieve beam switching frequencies of 40 GHz and more and switching directions of about eight degrees. This switching scheme is likely to be useful for ultrafast optical networks at frequencies much higher than achievable with other approaches.
其他摘要	使用耦合的VCSEL实现超快定向光束切换。该方法被证明可以实现40GHz以上的光束切换频率和大约8度的切换方向。这种切换方案可能对超高速光网络有用，其频率远高于其他方法所能达到的频率。
主权项	A method for switching the output of two or more vertical cavity surface emitting lasers (VCSELs) from one beam direction to another beam direction, the method comprising: providing an array of two or more vertical cavity surface emitting lasers (VCSELs), spaced apart by a selected separation gap so that the VCSELs are coherently coupled together spatially; and providing a common current source connected to all of the VCSELs to provide a simultaneous steady current biased above a selected threshold current, wherein the coherent coupling of the VCSELs produces a combined single output laser beam that, in a near field beam pattern oscillates between a first beam position and at least one beam position that differs from the first beam position, and in the far field beam pattern oscillates between a first beam direction and at least one beam direction that differs from the first beam direction.
申请日期	2002-06-10
专利号	US6865208
专利状态	失效
申请号	US10/171554
公开（公告）号	US6865208
IPC 分类号	H01S3/00 \| H01S5/00 \| H01S5/062 \| H01S5/42
专利代理人	-
代理机构	PADILLA, ROBERT M. SCHIPPER, JOHN F.
文献类型	专利
条目标识符	http://ir.opt.ac.cn/handle/181661/44935
专题	半导体激光器专利数据库
作者单位	USA AS REPRESENTED BY THE
推荐引用方式 GB/T 7714	GOORJIAN, PETER M.,NING, CUN-ZHENG. Ultrafast laser beam switching and pulse train generation by using coupled vertical-cavity, surface-emitting lasers (VCSELS). US6865208[P]. 2005-03-08.

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