Distributed feedback laser
文献类型：专利
| 作者 | TAKAMORI AKIRA; TAKENAKA NAOKI; HASE NOBUYASU |
| 发表日期 | 1989-05-17 |
| 专利号 | JP1989124279A |
| 著作权人 | MATSUSHITA ELECTRIC IND CO LTD |
| 国家 | 日本 |
| 文献子类 | 发明申请 |
| 其他题名 | Distributed feedback laser |
| 英文摘要 | PURPOSE:To execute a distributed feedback operation of a beam without being influenced by a shape of a diffraction grating by a method wherein, because the diffraction grating of a semiinsulating thin film is formed and a region where an injected electric current flows is limited regularly, the diffraction grating by a change in a composition is not formed. CONSTITUTION:An Fe-doped semiinsulating InGaAsP layer 22 is grown on an n-InP substrate 21; a resist 23 is coated and a diffraction grating pattern 23 is formed; after that, an etching operation reaching the n-InP substrate 21 is executed; a semiinsulating InGaAsP diffraction grating 24 is formed. The resist 23 is removed; after that, an n-InGaAsP guide layer 25, an undoped InGaAsP active layer 26, a p-InP clad layer 27 and a p-InGaAsP cap layer 28 are grown; an n-type electrode 29 and a p-type electrode 30 are evaporated. An electric current injected from the side of the n-type substrate 21 reaches the active layer 26 after a current path 31 has been modulated by the diffraction grating 24; a refractive index corresponding to a cycle of the diffraction grating is distributed. |
| 公开日期 | 1989-05-17 |
| 申请日期 | 1987-11-09 |
| 状态 | 失效 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/74770]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | MATSUSHITA ELECTRIC IND CO LTD |
| 推荐引用方式 GB/T 7714 | TAKAMORI AKIRA,TAKENAKA NAOKI,HASE NOBUYASU. Distributed feedback laser. JP1989124279A. 1989-05-17. |
入库方式： OAI收割
来源：西安光学精密机械研究所
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