Xi'an Institute of Optics and Precision Mechanics,CAS
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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