Optical Switching Phenomena of Kerr Nonlinear Microsphere Due to Near-Field Coupling : Numerical Analysis
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- HARAGUCHI Masanobu
- Dept. of Optical Science and Technology, University of Tokushima
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- OKAMOTO Toshihiro
- Dept. of Optical Science and Technology, University of Tokushima
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- FUKUI Masuo
- Dept. of Optical Science and Technology, University of Tokushima
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説明
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.
収録刊行物
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- IEICE transactions on electronics
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IEICE transactions on electronics 85 (12), 2059-2064, 2002-12-01
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詳細情報 詳細情報について
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- CRID
- 1571980077395581952
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- NII論文ID
- 110003214453
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- NII書誌ID
- AA10826283
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- ISSN
- 09168524
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- 本文言語コード
- en
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- データソース種別
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- CiNii Articles
