| 申请日期 | 2025-08-02 | 申请号 | KR1020060138858 |
| 公开（公告）号 | KR100904292B1 | 公开（公告）日 | 2009-06-16 |
| 公开国别 | KR | 申请人省市代码 | 全国 |
| 申请人 | INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE | ||
| 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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