| 申请日期 | 2024-11-26 | 申请号 | US16157151 |
| 公开（公告）号 | US11322904B2 | 公开（公告）日 | 2022-05-03 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | SUMITOMO ELECTRIC INDUSTRIES LTD | ||
| 简介 | An optical amplifier is provided in which adjacent ones of a plurality of cores each containing a rare-earth element and included in an amplifying multi-core optical fiber (MCF) serve as coupled cores at an amplifying wavelength, a connecting MCF is connected to the amplifying MCF, a pump light source is connected to the connecting MCF, and the pump light source pumps the rare-earth element in the amplifying MCF through the connecting MCF. | ||
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