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Lens coupled quantum cascade laser
其他题名Lens coupled quantum cascade laser
HU, QING; LEE, ALAN WEI MIN
2013-12-31
专利权人MASS INSTITUTE OF TECHNOLOGY (MIT)
公开日期2013-12-31
授权国家美国
专利类型授权发明
摘要Terahertz quantum cascade (QC) devices are disclosed that can operate, e.g., in a range of about 1 THz to about 10 THz. In some embodiments, QC lasers are disclosed in which an optical element (e.g., a lens) is coupled to an output facet of the laser's active region to enhance coupling of the lasing radiation from the active region to an external environment. In other embodiments, terahertz amplifier and tunable terahertz QC lasers are disclosed.
其他摘要公开了太赫兹量子级联(QC)器件,其可以在例如约1THz至约10THz的范围内操作。在一些实施例中,公开了QC激光器,其中光学元件(例如,透镜)耦合到激光器的有源区的输出面,以增强激光辐射从有源区到外部环境的耦合。在其他实施例中,公开了太赫兹放大器和可调谐太赫兹QC激光器。
主权项A quantum cascade laser, comprising: an active region for generating lasing radiation in a frequency range of about 1 to about 10 Terahertz, said active region having an output facet through which radiation is coupled to an external environment, and a waveguide formed of an upper metallic layer and a lower metallic layer, each layer being disposed on a surface of said active region so as to confine one or more modes of said lasing radiation within said active region, and an optical element optically coupled to said output facet and in physical contact therewith so as to enhance coupling of radiation from the active region to the external environment.
申请日期2009-05-08
专利号US8619832
专利状态授权
申请号US12/437818
公开(公告)号US8619832
IPC 分类号H01S5/00
专利代理人ENGELLENNER, THOMAS J. | MOLLAAGHABABA, REZA
代理机构PEPPER HAMILTON LLP
文献类型专利
条目标识符http://ir.opt.ac.cn/handle/181661/46055
专题半导体激光器专利数据库
作者单位MASS INSTITUTE OF TECHNOLOGY (MIT)
推荐引用方式
GB/T 7714
HU, QING,LEE, ALAN WEI MIN. Lens coupled quantum cascade laser. US8619832[P]. 2013-12-31.
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