Semiconductor laser for coherent beam transmission
文献类型：专利
| 作者 | CHIKAMA TERUMI; KUWABARA HIDEO |
| 发表日期 | 1984-12-20 |
| 专利号 | JP1984227180A |
| 著作权人 | FUJITSU KK |
| 国家 | 日本 |
| 文献子类 | 发明申请 |
| 其他题名 | Semiconductor laser for coherent beam transmission |
| 英文摘要 | PURPOSE:To effectively stabilize the frequencies of a local oscillator and a transmitter in an optical communication system, wherein a part of the output of a reference oscillator for transmission in a coherent beam communication is used as the local oscillator of a light-receiving part, by a method wherein the transmitter and a receiver, both for coherent beam transmission, are constituted monolithically. CONSTITUTION:A groove 12 is bored in the surface of a substrate 1 in almost a rectangle form and the surface is divided into two. An optical waveguide path 8 for reception light, which has a diffraction latice 10 for synthesizing in the middle thereof and a photoreceptor 11 at the terminal thereof, is formed in the surface of one side of the substrate 1, facing to the incident light. Moreover, an optical direction 4, which has a distribution feedback type semiconductor laser 3, a diffraction lattice 6 for feedback, a diffraction lattice 7 for branching, a similar semiconductor laser 2 and a diffraction lattice 5 for feedback, is provided from the groove 12 side in parallel to the optical waveguide path 8, and light is emitted from the lattice 5 side. In this constitution, the lattices 10 and 7 are kept having been mutually connected by an optical waveguide path 9 for branching light, and a photoreceptors 14 are arranged across the groove 12 through an optical waveguide path 13, opposing to each other on the laser 3. Frequencies, which generate in such a way, are efficiently stabilized. |
| 公开日期 | 1984-12-20 |
| 申请日期 | 1983-06-08 |
| 状态 | 失效 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/67737]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | FUJITSU KK |
| 推荐引用方式 GB/T 7714 | CHIKAMA TERUMI,KUWABARA HIDEO. Semiconductor laser for coherent beam transmission. JP1984227180A. 1984-12-20. |
入库方式： OAI收割
来源：西安光学精密机械研究所
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