| 申请日期 | 2025-07-18 | 申请号 | US11545657 |
| 公开（公告）号 | US7702201B2 | 公开（公告）日 | 2010-04-20 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Chien Hung Yeh; Sien Chi | ||
| 简介 | An optical amplifier is disclosed having a substantially uniform spectral gain. In an exemplary embodiment, the optical amplifier comprises a planar waveguide including a substrate, which includes a region doped with rare earth element. The optical amplifier also comprises an optical fiber including a core doped with the rare earth element. The optical fiber is optically coupled to the planar waveguide. | ||
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