| 申请日期 | 2025-07-23 | 申请号 | EP02254378 |
| 公开（公告）号 | EP1286433B1 | 公开（公告）日 | 2007-01-24 |
| 公开国别 | EP | 申请人省市代码 | 全国 |
| 申请人 | LUCENT TECHNOLOGIES INC | ||
| 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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