Optical Switching Phenomena of Kerr Nonlinear Microsphere Due to Near-Field Coupling : Numerical Analysis

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Abstract

We calculated linear and nonlinear responses of a Kerr nonlinear microsphere sandwiched by two prisms using the excitation of whispering gallery modes due to near-field coupling. As numerical calculations, the finite-difference time-domain method that takes into account the Kerr nonlinear effect was used. We dealt with two types of spheres, i.e., the Kerr-material sphere and the dielectric sphere coated by the Kerr material. It was found that the optical switching phenomena are induced in such spheres. The switching results from the fact that the variations of the refractive index of the nonlinear spheres affect the excitation condition of the whispering gallery modes.

Journal

  • IEICE Transactions on Electronics

    IEICE Transactions on Electronics 85 (12), 2059-2064, 2002-12-01

    The Institute of Electronics, Information and Communication Engineers

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Keywords

Details 詳細情報について

  • CRID
    1571980077395581952
  • NII Article ID
    110003214453
  • NII Book ID
    AA10826283
  • ISSN
    09168524
  • Text Lang
    en
  • Data Source
    • CiNii Articles

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