| 利用鞍点近似法计算串音对阵列波导光栅复用器性能的影响 |
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| 引用本文： | 陈德华,王辉,杨祥林.利用鞍点近似法计算串音对阵列波导光栅复用器性能的影响[J].光学学报,1999,19(10):310-1314. |
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| 作者姓名： | 陈德华 王辉 杨祥林 |
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| 作者单位： | 南京邮电学院光纤通信研究所,南京,210003 |
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| 摘 要： | 基于光的波动性，考虑信号和串音偏振态，改进了鞍点近似法的数学模型，计算了阵列波导光栅复用器的误码率和功率代价，并与高斯近似法和实验结果进行了比较，显示出较高的计算精度。
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| 关 键 词： | 阵列波导光栅 串音 鞍点近似法 矩生成函数 |
| 收稿时间： | 1998/12/23 |
Impact of Crosstalk on Arrayed-Waveguide Grating Multiplexer Calculated by Saddlepoint Approximation |
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| Chen Dehua,Wang Hui,Yang Xianglin.Impact of Crosstalk on Arrayed-Waveguide Grating Multiplexer Calculated by Saddlepoint Approximation[J].Acta Optica Sinica,1999,19(10):310-1314. |
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| Authors: | Chen Dehua Wang Hui Yang Xianglin |
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| Abstract: | Based on the wave theory of light and considered the polarizations of signal and crosstalk sources, the bit error rate and power penalty of an arrayed waveguide grating multiplexer are calculated using the improved saddlepoint approximation. The calculated result agrees well with the result of Gauss approximation and experiment, and shows high calculation precision of the improved saddlepoint approximation. |
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| Keywords: | arrayed waveguide grating multiplexer crosstalk saddlepoint approximation moment generating function |
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