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机构地区:[1]State Key Laboratory of Transient Optics and Photonics,Xi'an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences [2]Graduate School of the Chinese Academy of Sciences
出 处:《Chinese Physics B》2009年第8期3183-3188,共6页中国物理B(英文版)
基 金:supported by the "Hundreds of Talents Programs" of the Chinese Academy of Sciences;by the National Natural Science Foundation of China (Grant Nos 10874239,10604066 and 60537060)
摘 要:Exact solutions of Maxwell's equations describing the lightwave through 3-layer-structured cylindrical waveguide are obtained and the mode field diameter and nonlinear coefficient of air-core nanowires (ACNWs) are numerically calculated. The simulation results show that ACNWs offer some unique optical properties, such as tight field confining ability and extremely high nonlinearity. At a certain wavelength and air core radius, we optimize the waveguide design to maximize the nonlinear coefficient and minimize the mode field diameter. Our results show that the ACNWs may be powerful potential tools for novel micro-photonic devices in the near future.Exact solutions of Maxwell's equations describing the lightwave through 3-layer-structured cylindrical waveguide are obtained and the mode field diameter and nonlinear coefficient of air-core nanowires (ACNWs) are numerically calculated. The simulation results show that ACNWs offer some unique optical properties, such as tight field confining ability and extremely high nonlinearity. At a certain wavelength and air core radius, we optimize the waveguide design to maximize the nonlinear coefficient and minimize the mode field diameter. Our results show that the ACNWs may be powerful potential tools for novel micro-photonic devices in the near future.
关 键 词:WAVEGUIDES NANOWIRES numerical calculation fiber optics
分 类 号:TB383.1[一般工业技术—材料科学与工程]
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