| Type II mid-infrared quantum well laser | |
| CALCOTT, PHILIP DOUGLAS JOHN | |
| 2007-10-09 | |
| 著作权人 | FLIR SYSTEMS TRADING BELGIUM |
| 专利号 | US7280576 |
| 国家 | 美国 |
| 文献子类 | 授权发明 |
| 其他题名 | Type II mid-infrared quantum well laser |
| 英文摘要 | A mid-infrared emitting indirect bandgap quantum well semiconductor laser with an optical waveguide structure having an active waveguide core. The active waveguide core comprises at least one repetition of a sub-region comprising in the following order a first wide bandgap layer, a first conduction band layer of InAs, a valence band layer of Ga(1-x)InxSb where x≧0.7, preferably of InSB (ie. x=1), having a thickness of less than 15 Angstroms, a second conduction band layer of InAs and a second wide bandgap barrier layer. The barrier layers co-operate to provide electrical confinement for the carriers within the intervening conduction band and valence band layers and optical confinement in the active core region is provided by the optical waveguide structure. |
| 公开日期 | 2007-10-09 |
| 申请日期 | 2002-09-10 |
| 状态 | 授权 |
| 内容类型 | 专利 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/47410]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | FLIR SYSTEMS TRADING BELGIUM |
| 推荐引用方式 GB/T 7714 | CALCOTT, PHILIP DOUGLAS JOHN. Type II mid-infrared quantum well laser. US7280576. 2007-10-09. |
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