| 申请日期 | 2026-03-10 | 申请号 | JP2002206719 |
| 公开（公告）号 | JP3803310B2 | 公开（公告）日 | 2006-08-02 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | Lucent Technologies Incorporated596092698 | ||
| 简介 | The specification describes rare earth doped fiber amplifier devices for operation in the extended L-band, i.e. at wavelengths from 1565 nm to above 1610 nm. High efficiency and flat gain spectra are obtained using a high silica based fiber codoped with Er, Al, Ge, and P and an NA of at least 0.15. | ||
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