| 发明名称 |
OPTICAL AMPLIFIER AND TRANSMISSION SYSTEM USING THE SAME |
| 摘要 |
<p>The invention concerns an optical amplifier A, comprising:
- a Raman amplifier A 1 which is provided with an internal Raman amplifier medium and carries out Raman amplification by said Raman amplification medium; and
- a rare-earth doped fiber amplifier A 2 in which a rare-earth doped fiber is used as an amplification medium.</p> |
| 申请公布号 |
EP0911926(B1) |
申请公布日期 |
2011.12.07 |
| 申请号 |
EP19980904367 |
申请日期 |
1998.02.18 |
| 申请人 |
NIPPON TELEGRAPH AND TELEPHONE CORPORATION |
发明人 |
MASUDA, HIROJI;KAWAI, SHINGO;SUZUKI, KEN-ICHI;AIDA, KAZUO |
| 分类号 |
H01S3/10;H01S3/067;H01S3/094;H01S3/16;H01S3/30;H04B10/291;H04B10/294 |
主分类号 |
H01S3/10 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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