| Optical devices with electron-beam evaporated multilayer mirror | |
| DENNIS GLENN DEPPE; NILOY KUMAR DUTTA; ERDMANN FREDERICK SCHUBERT; LI-WEI TU; GEORGE JOHN ZYDZIK | |
| 1996-08-01 | |
| 著作权人 | AT&T CORP. |
| 专利号 | HK0961460A |
| 国家 | 中国香港 |
| 文献子类 | 发明申请 |
| 其他题名 | Optical devices with electron-beam evaporated multilayer mirror |
| 英文摘要 | This invention embodies a Vertical Cavity Surface Emitting Laser with a top mirror (10) comprising at least one pair of quarterwave layers, each pair consisting of a low index of refraction layer and a high index of refraction layer, the high index of refraction layer being a semiconductor chosen from GaP and ZnS and the low index of refraction layer being chosen from borositicate glass (BSG) CaF₂, MgF₂ and NaF. Especially useful in vertical cavity surface emitting lasers are mirrors formed by a stack of a plurality of pairs of GaP/BSG or ZnS/CdF₂. Such mirrors have a high reflectivity characteristics required for an efficient operation of the laser. The GaP/BSG or ZnS/CaF₂ mirror structure represents a considerable improvement over previous designs for VCSELs in terms of ultimate reflectivity, low loss, and post growth processing compatibility. |
| 公开日期 | 1996-08-01 |
| 申请日期 | 1996-06-29 |
| 状态 | 失效 |
| 内容类型 | 专利 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/63413]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | AT&T CORP. |
| 推荐引用方式 GB/T 7714 | DENNIS GLENN DEPPE,NILOY KUMAR DUTTA,ERDMANN FREDERICK SCHUBERT,et al. Optical devices with electron-beam evaporated multilayer mirror. HK0961460A. 1996-08-01. |
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