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首页> 外文期刊>Journal of the Optical Society of America, B. Optical Physics >Classification of modes in suspended-membrane, 19-missing-hole photonic-crystal microcavities
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Classification of modes in suspended-membrane, 19-missing-hole photonic-crystal microcavities

机译：悬浮膜，19缺陷孔光子晶体微腔中的模式分类

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摘要

Suspended-membrane 19-missing-hole microcavities in triangular lattice photonic crystals are numerically modeled by a three-dimensional finite-difference time-domain method. The resonance frequencies and the quality factors are calculated by interpolation of the discrete Fourier transformation series of the field with a Pade polynomial. The numerical results are compared with the photoluminescent spectra measured on the cavity of a nearly identical dimension. The symmetry properties of the defect modes are analyzed with the group theory, and resonance modes in the photonic-crystal cavities are identified as irreducible representations of the C-6ν point group. The far-field radiations of the identified modes in the free space are also calculated by use of a vector Green's function. It is found that the numerical results agree very well with the experimental measurement in various aspects. © 2005 Optical Society of America.
机译：通过三维有限差分时域方法，对三角晶格光子晶体中的悬浮膜19漏孔微腔进行了数值模拟。共振频率和品质因数是通过使用Pade多项式对场的离散傅立叶变换序列进行插值来计算的。将数值结果与在几乎相同尺寸的腔上测得的光致发光光谱进行比较。利用群论分析了缺陷模式的对称性质，并将光子晶体腔中的共振模式确定为C-6ν点组的不可约表示。还通过使用矢量格林函数来计算自由空间中已识别模式的远场辐射。发现数值结果与各个方面的实验测量结果非常吻合。 ＆复制; 2005年美国眼镜学会。

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