On the characteristics of commonly nonideal rectangular ridge dielectric-loaded surface plasmon polariton waveguides in practical fabrication processing |
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| Authors: | Hong Zhao Yue-e Li Guan-mao Zhang |
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| Institution: | 1. School of Information Engineering, Southwest University of Science and Technology, Mianyang, Sichuan 621010, PR China;2. Global Big Data Technologies Centre, University of Technology Sydney, Sydney, NSW 2007 Australia;3. School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan 611731, PR China;1. King Abdullah II School for Information Technology, The University of Jordan, Amman, Jordan;2. Department of Computer Science, King Hussein School of Computing Sciences, Princess Sumaya University for Technology, Amman, Jordan |
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| Abstract: | In this paper, four commonly nonideal structures of the ideal rectangular dielectric ridge dielectric-loaded surface plasmon polariton waveguides (DLSPPWs) in actual fabrication processing were studied. The mode effective index, propagation length, field distributions, effects of geometric deviation, lateral field confinement and figures of merit of fundamental mode were calculated at the telecommunication wavelengths. It was found that, the propagation length, the lateral field confinement and figures of merit of four nonideal rectangle ridge DLSPPWs were changed compared with the ideal rectangular dielectric ridge DLSPPW. However, the field distributions were kept, and, the characteristics of nonideal rectangle ridge DLSPPWs were affected by the geometric deviation. This study presents the characteristics of commonly nonideal rectangle ridge DLSPPWs and provides substantial information for processing and optimizing the rectangular dielectric ridge DLSPPWs in practical fabrication processing. |
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