| 发明名称 | Optical receiver and communication system | ||
| 摘要 | There is provided an optical receiver including a variable-ratio splitter to split an input signal light into a plurality of signal lights, based on a variable ratio, a plurality of photo detectors to receive the plurality of signal lights respectively, an operation circuit to output a reception electrical signal, based on a reception processing on one of the plurality of signal lights, a calculation circuit to calculate a total power of the plurality of signal lights received by the plurality of photo detectors, and an output unit to output a signal regarding the total power. | ||
| 申请公布号 | US8948615(B2) | 申请公布日期 | 2015.02.03 |
| 申请号 | US201113074184 | 申请日期 | 2011.03.29 |
| 申请人 | Fujitsu Optical Components Limited | 发明人 | Tanaka Hiromasa |
| 分类号 | H04B10/06;H04B10/67;H04B10/00 | 主分类号 | H04B10/06 |
| 代理机构 | Staas & Halsey LLP | 代理人 | Staas & Halsey LLP |
| 主权项 | 1. An optical receiver comprising: a variable-ratio splitter to split an input signal light into a plurality of signal lights, based on a variable ratio; a plurality of photo detectors to receive the plurality of signal lights respectively; an operation circuit to output a reception electrical signal, based on a reception processing on one of the plurality of signal lights; a calculation circuit to calculate a total power based on the plurality of signal lights received by each of the plurality of photo detectors; and an output unit to output a signal regarding the total power. | ||
| 地址 | Kawasaki JP | ||