Mode field diameter and nonlinear properties of air-core nanowires |
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Authors: | Hu Xiao-Hong Zhao Wei Gong Yong-Kang Wang Lei-Ran Lu Ke-Qing and Liu Xue-Ming |
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Institution: | State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; Graduate School of the Chinese Academy of Sciences, Beijing 100049, China |
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Abstract: | 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. |
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Keywords: | waveguides nanowires numerical
calculation fiber optics |
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