| 发明名称 | Optical amplifying device and optical transmission system | ||
| 摘要 | An optical amplifying device includes an optical amplification medium configured to be excited by excitation light and amplify signal light, a light loss detector configured to detect a light loss of an optical component optically connected to the optical amplification medium in the amplifying device, and a noise figure deterioration detector configured to detect, based on the light loss detected by the light loss detector, deterioration of a noise figure of the optical amplification medium. | ||
| 申请公布号 | US8922876(B2) | 申请公布日期 | 2014.12.30 |
| 申请号 | US201213598793 | 申请日期 | 2012.08.30 |
| 申请人 | Fujitsu Limited | 发明人 | Takeyama Tomoaki |
| 分类号 | H01S3/10 | 主分类号 | H01S3/10 |
| 代理机构 | Staas & Halsey LLP | 代理人 | Staas & Halsey LLP |
| 主权项 | 1. An optical amplifying device, comprising: an optical amplification medium configured to be excited by excitation light and amplify signal light; a light loss detector configured to detect a light loss of an optical component optically connected to the optical amplification medium in the amplifying device; and a noise figure deterioration detector configured to detect, based on the light loss detected by the light loss detector, deterioration of a noise figure of the optical amplification medium. | ||
| 地址 | Kawasaki JP | ||