| Gain and Noise Figure of a Double-Pass Waveguide Amplifier Based on Er/Yb-Doped Phosphate Glass |
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| 作者姓名： | 金国良 邵公望 慕桓 胡丽丽 李劬 |
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| 作者单位： | [1]Department of Physics, Shanghai diao Tong University, Shanghai 200240 [2]Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 |
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| 基金项目： | Supported by the Foundation for Development of Science and Technology of Shanghai under Grant No 022261002. |
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| 摘 要： | A waveguide amplifier is fabricated by Ag^＋-Na^＋ two-step ion exchange on Er/Yb-doped phosphate glass. The spectroscopic performance of glass and the properties of channel waveguide are characterized. A double-pass configuration is adopted to measure the gain and noise figure （NF） of the waveguide amplifier, and the comparison of gain and NF for the single and double-pass configuration of the waveguide amplifier is presented. The results show that the double-pass configuration can make the gain increase from 8.8dB （net gain 2.2dB/cm） of the single-pass one to 14.6dB （net gain 3.65dB/cm） for small input power at 1534nm, and the NF are all lower than 5.5dB for both the configurations.
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| 关 键 词： | 波导放大器 磷酸盐玻璃 杂质 分光镜 平面光波循环 |
| 收稿时间： | 2005-07-19 |
| 修稿时间： | 2005-07-19 |
Gain and Noise Figure of a Double-Pass Waveguide Amplifier Based on Er/Yb-Doped Phosphate Glass |
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| JIN Guo-Liang, SHAO Gong-Wang, Mu Huan, HU Li-Li, LI Qu.Gain and Noise Figure of a Double-Pass Waveguide Amplifier Based on Er/Yb-Doped Phosphate Glass[J].Chinese Physics Letters,2005,22(11):2862-2864. |
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| Authors: | JIN Guo-Liang SHAO Gong-Wang Mu Huan HU Li-Li LI Qu |
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