Semiconductor ring laser
文献类型：专利
| 作者 | IKEDA MASAHIRO; KAWAKAMI GOJI; KURUMADA KATSUHIKO |
| 发表日期 | 1991-02-21 |
| 专利号 | JP1991040480A |
| 著作权人 | NIPPON TELEGR & TELEPH CORP |
| 国家 | 日本 |
| 文献子类 | 发明申请 |
| 其他题名 | Semiconductor ring laser |
| 英文摘要 | PURPOSE:To improve a semiconductor ring laser in light extraction efficiency by a method wherein light oscillating in a ring type waveguide is reflected by a high reflective film, and the reflected light is fed back again to the ring type waveguide, which is taken out through a half mirror. CONSTITUTION:A part of light circulating clockwise in a ring waveguide 12 propagates through an output waveguide 17 and reflected by a high reflective film 19, and a part of the reflected light is fed back as light circulating counterclockwise. By this constitution, light oscillating in the waveguide 12 is limited to light which is large in feedback volume and circulates counterclockwise and a light standing wave is not generated, so that the spatial hole burning of gain never occurs. In result, a longitudinal mode oscillation is restrained and a ring laser of this design oscillates in a single mode, so that it can be made to operate as a light source of high purity. By this setup, a large output can be taken out from an output waveguide 16. |
| 公开日期 | 1991-02-21 |
| 申请日期 | 1989-07-07 |
| 状态 | 失效 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/67200]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | NIPPON TELEGR & TELEPH CORP |
| 推荐引用方式 GB/T 7714 | IKEDA MASAHIRO,KAWAKAMI GOJI,KURUMADA KATSUHIKO. Semiconductor ring laser. JP1991040480A. 1991-02-21. |
入库方式： OAI收割
来源：西安光学精密机械研究所
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