Numerical Analysis of Optical Duplexer Composed of Dispersive and Nonlinear Dielectric in Two-Dimensional Photonic Crystal Waveguide with Square Lattice

  • Keisuke HaariEmail author
  • Naoki Higashinaka
  • Xiang Zheng Meng
  • Hiroshi Maeda
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 927)


For optical wavelength division multiplexing (WDM) signal, optical duplexer composed of square-lattice photonic crystal structure with nonlinear and dispersive material was analyzed numerically. The output power distribution in two output ports was compared with duplexer by linear dielectric material. It was found that output spectrum changes in case of nonlinear Kerr medium compared with linear case. The result suggests that optical signal switching is available depending on signal intensity. This is useful for all-optical signal switching for optical WDM telecommunication system.


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Keisuke Haari
    • 1
    Email author
  • Naoki Higashinaka
    • 1
  • Xiang Zheng Meng
    • 1
  • Hiroshi Maeda
    • 2
  1. 1.Graduate School of Communication and Information NetworkingFukuoka Institute of TechnologyFukuokaJapan
  2. 2.Department of Information and Communication EngineeringFukuokaJapan

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