Photodetector and semiconductor laser equipped with photodetector
文献类型：专利
| 作者 | IKEDA SOTOMITSU |
| 发表日期 | 1990-10-25 |
| 专利号 | JP1990262366A |
| 著作权人 | CANON INC |
| 国家 | 日本 |
| 文献子类 | 发明申请 |
| 其他题名 | Photodetector and semiconductor laser equipped with photodetector |
| 英文摘要 | PURPOSE:To control light output and wavelength simultaneously by for example providing waveguides to guide detected light and three or more photodetectors that are optically combined with the waveguides and further providing wavelength selecting waveguide type optical component wave devices or distributed reflectors between two or more photodetectors. CONSTITUTION:This device is equipped with waveguides 1-5 which guide detected light and three or more photodetectors 8-10 which are optically combined with the waveguides 1-5 and then, wavelength selecting waveguide type optical component wave devices or distribution reflectors 6 and 7 are provided between two or more photodetectors 8-10 and waveguides 1-5; besides, the foregoing waveguides 1-5, the photodetectors 8-10, and the waveguide type optical component wave devices or the distributed refractors 6 and 7 are formed in a monolithic shape. For example, the foregoing waveguide type optical wave component devices or the distributed reflectors 6 and 7 consist of grating in which Bragg wavelengths become variable according to current injection; besides, they have current injection means 11 and 12. Then wavelengths of light to be detected are detected from differential signals outputted by the photodetectors 8, 10. |
| 公开日期 | 1990-10-25 |
| 申请日期 | 1989-04-03 |
| 状态 | 失效 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/67546]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | CANON INC |
| 推荐引用方式 GB/T 7714 | IKEDA SOTOMITSU. Photodetector and semiconductor laser equipped with photodetector. JP1990262366A. 1990-10-25. |
入库方式： OAI收割
来源：西安光学精密机械研究所
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