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| 基于半导体光放大器的开关矩阵级联规模的研究 | |
| 引用本文： | 陈俊,刘应开,杜雷鸣. 基于半导体光放大器的开关矩阵级联规模的研究[J]. 云南师范大学学报(自然科学版), 2003, 23(4): 38-41 |
| 作者姓名： | 陈俊 刘应开 杜雷鸣 |
| 作者单位： | 云南师范大学物理与电子信息学院,云南,昆明,650092 |
| 基金项目： | 云南师范大学青年基金资助项目 ( 2 0 0 2 0 2 6) |
| 摘 要： | 分析了几种基于半导体光放大器的开光矩阵的级联特性，结果表明矩阵—矢量(matrix—vactor)开关规模的大小严重受限于大的分光损失，波导损失和耦合损失，然而对于分布增益矩阵—矢量开关矩阵和Benes开关矩阵，放大自发辐射噪声(ASE)的积累和信号的非理想消光比是限制系统级联规模的主要因素，当信号光功率较大时，非理想消光比对级联的规模有大的影响。 |
| 关 键 词： | 半导体光放大器 光开关矩阵 级联规模 光通信网 放大自发辐射噪声 增益饱和 消光比 |
| 文章编号： | 1007-9793(2003)04-0038-04 |
| 修稿时间： | 2003-01-02 |
The cascadability of semiconductor optical amplifier based optical space switches |
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| CHEN Jun,LIU Yingkai,DU Leiming. The cascadability of semiconductor optical amplifier based optical space switches[J]. Journal of Yunnan Normal University (Natural Sciences Edition), 2003, 23(4): 38-41 | |
| Authors: | CHEN Jun LIU Yingkai DU Leiming |
| Abstract: | The cascadability of Semiconductor optical amplifier (SOA) gates and the size limitations for several kinds of switch architectures based on SOA's are studied theoretically. The analysis shows that the sizes of matrix-vector switches are severely limited owing to the splitting losses, waveguide losses and coupling losses. However for distributed gain matrix-vector switch and Benes switch, the accumulation of amplified spontaneous emission (ASE) noise and non-ideal extinction ratio also greatly influence the maximal sizes of switches. The extinction ratio can greatly influence the cascade number of SOA's at high input power. |
| Keywords: | Semiconductor optical amplifier optical switch ASE noise gain saturation extinction ratio |
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