Asymmetric Propagation of Optical Signals in Graded Plasmonic Chains
Publication in refereed journal

香港中文大學研究人員

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摘要The propagation of optical signals has been studied theoretically and computationally in fully retarded graded plasmonic chains. Asymmetric optical response due to retardation has been observed in various plasmonic chains with gradients in host permittivities, particle sizes, and/or interparticle distances. The range of wavelength-dependent optical response is broadened by the graded effects of host permittivity. Asymmetric propagation ratio is found in the presence of any kind of gradients, and the physical mechanism is analyzed through the gradon modes. These results have potential applications in designing nanostructured plasmonic devices.
著者Zheng MJ, Lei DY, Yakubo K, Yu KW
期刊名稱Plasmonics
出版年份2011
月份3
日期1
卷號6
期次1
出版社Springer Verlag (Germany)
頁次19 - 27
國際標準期刊號1557-1955
電子國際標準期刊號1557-1963
語言英式英語
關鍵詞Asymmetric optical response; Asymmetric propagation ratio; Graded plasmonic chains
Web of Science 學科類別Chemistry; Chemistry, Physical; CHEMISTRY, PHYSICAL; Materials Science; Materials Science, Multidisciplinary; MATERIALS SCIENCE, MULTIDISCIPLINARY; Nanoscience & Nanotechnology; NANOSCIENCE & NANOTECHNOLOGY; Science & Technology - Other Topics

上次更新時間 2021-26-02 於 00:07