| Performance analysis of all optical swapping networks with a label eraser made of a Gaussian filter |
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| 引用本文： | 贾振生,陈明华,冯佳,董毅,谢世钟. Performance analysis of all optical swapping networks with a label eraser made of a Gaussian filter[J]. 中国光学快报(英文版), 2003, 1(3) |
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| 作者姓名： | 贾振生 陈明华 冯佳 董毅 谢世钟 |
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| 作者单位： | Department of Electronic Engineerng，Tsinghua University Beijng 100084，Department of Electronic Engineerng，Tsinghua University Beijng 100084，Department of Electronic Engineerng，Tsinghua University Beijng 100084，Department of Electronic Engineerng，Tsinghua University Beijng 100084，Department of Electronic Engineerng，Tsinghua University Beijng 100084 |
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| 摘 要： | In this paper, a simple label eraser employing Gaussian apodized fiber Bragg grating (FBG) for all optical label swapping (AOLS) networks is proposed. Relying on the analysis of the payload through multi-stage erasers, this kind of eraser significantly improves the cascadability in comparison with the traditional fiber-loop mirror (FLM) eraser. The influences of the residual labels on the intermediate swapping node labels through the eraser are also investigated. It is shown that the power penalty is only less 1 dB when the optical power ratio of residual label to the new label signal arrives at -8 dB. The influence is negligible due to the sharp notch filtering effect of the Gaussian apodized FBG.
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Performance analysis of all optical swapping networks with a label eraser made of a Gaussian filter |
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| Abstract: | In this paper, a simple label eraser employing Gaussian apodized fiber Bragg grating (FBG) for all opticallabel swapping (AOLS) networks is proposed. Relying on the analysis of the payload through multi-stageerasers, this kind of eraser significantly improves the cascadability in comparison with the traditionalfiber-loop mirror (FLM) eraser. The influences of the residual labels on the intermediate swapping nodelabels through the eraser are also investigated. It is shown that the power penalty is only less 1 dB whenthe optical power ratio of residual label to the new label signal arrives at -8 dB. The influence is negligibledue to the sharp notch filtering effect of the Gaussian apodized FBG. |
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