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Active modulation of plasmonic signal with a subwavelength metal/nonlinear dielectric material/metal structure |
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| Authors: | Xiaolei Wang Pei Wang Chunchong Chen Junxue Chen Yonghua Lu Hai Ming Qiwen Zhan |
| Institution: | Xiaolei Wang Pei Wang Chunchong Chen Junxue Chen Yonghua Lu Hai Ming and Qiwen Zhan 1 Department of Physics,Anhui Key Laboratory of Optoelectronic Science and Technology,University of Science and Technology of China,Hefei 230026,China 2 Electro-Optics Graduate Program,University of Dayton,300 College Park,Dayton,OH 45469,USA |
| Abstract: | Light propagation through a metal/nonlinear dielectric material/metal(M-NL-M) structure is numerically studied.The design parameters of the M-NL-M structure are found with the waveguide theory so that the structure only supports the symmetric surface plasmon polaritons(SPP(0)) mode and the antisymmetric surface plasmon polaritons(SPP(1)) mode.The coupling between the two modes within the M-NL-M structure is exploited.Through controlling the propagation constants of the two modes with the intensity-dependent... |
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