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Median-pump wavelength assignment scheme for optical networks with parametric wavelength conversion

机译：具有参数波长转换的光网络的中值泵波长分配方案

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摘要

This paper proposes a wavelength assignment scheme for optical networks with parametric wavelength conversion to minimize the number of wavelength converters when the number of wavelengths is given. Wavelength conversion is needed to reduce the number of wavelengths required in the network, since the number of wavelengths is limited. A parametric wavelength converter (PWC) can be used to reduce the number of wavelength converters because of its multiple wavelengths conversion function. PWC uses the pump wavelength to define original and converted wavelengths. The setting of the pump wavelength affects the converted wavelengths. Thus, the number of transmission wavelengths depends on the position of the pump wavelength. The proposed scheme is a heuristic scheme that considers the position of pump wavelength. An output wavelength that sets the pump wavelength near to the middle of the transmission wavelength band is selected. The proposed scheme designs each PWC to maximize the number of wavelength conversions supported. Numerical results with our examined networks indicate up to 37% reduction in the total number of converters required, compared to a scheme that the position of pump wavelength is not considered. Moreover, the reduction is 42% reduction compared to an optical network with single channel wavelength converters.
机译：本文提出了一种用于具有参量波长转换的光网络的波长分配方案，以在给出波长数量时将波长转换器的数量减至最少。由于波长数量有限，因此需要进行波长转换以减少网络中所需的波长数量。由于具有多个波长转换功能，因此可以使用参数波长转换器（PWC）减少波长转换器的数量。 PWC使用泵浦波长来定义原始和转换后的波长。泵浦波长的设置会影响转换后的波长。因此，透射波长的数量取决于泵浦波长的位置。提出的方案是一种考虑泵浦波长位置的启发式方案。选择将泵浦波长设置在透射波段的中间附近的输出波长。提议的方案设计每个PWC来最大化支持的波长转换数量。与不考虑泵浦波长位置的方案相比，我们检查的网络的数值结果表明所需的转换器总数最多减少了37％。此外，与具有单通道波长转换器的光网络相比，减少幅度为42％。

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  • 来源
    《Optical Switching and Networking》 |2015年第1期|10-17|共8页
  • 作者

    Nattapong Kitsuwan; Maesaporn Leelasetakul; Eiji Oki;

  • 作者单位

    Department of Communication Engineering and Informatics, The University of Electro-Communications, 1-5-1, Chofugaoka, Chofu-shi, Tokyo 182-8585, Japan;

    Department of Communication Engineering and Informatics, The University of Electro-Communications, 1-5-1, Chofugaoka, Chofu-shi, Tokyo 182-8585, Japan;

    Department of Communication Engineering and Informatics, The University of Electro-Communications, 1-5-1, Chofugaoka, Chofu-shi, Tokyo 182-8585, Japan;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Optical packet switching; Wavelength assignment; Wavelength conversion;

    机译：光分组交换;波长分配;波长转换;

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