Q-factor of spherical optical silicon dioxide nanoresonators

被引：0
作者：
A. N. Gruzintsev
机构：
[1] Russian Academy of Sciences,Institute of Microelectronics Technology and High
来源：
Optics and Spectroscopy | 2014年 / 117卷
关键词：
Light Wavelength; Silicon Dioxide Sphere; Photonic State; Orbital Momentum; Photonic Mode;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The Q-factor of the bound optical modes of silicon dioxide spheres with a radius smaller than one micron has been studied in the visible spectrum, showing that local photonic states with a nonzero orbital momentum yield a thin structure in glow spectra, whose maxima positions depend on the diameters of SiO2 nanospheres. A theoretical model to calculate the Q-factor of nanoresonators depending on the wavelengths of bound modes and the radius value of spheres has been proposed. It has been shown that the quality of an optical resonator increases as its diameter grows. The Q-factor values have been calculated for the visible light of the order of 10 for spheres smaller than 1 μm in diameter and 106 for spheres of more than 7 μm in diameter. A dependence of bound modes’ radiation propagation outside of the sphere on their wavelengths and orbital momenta has been detected.
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页码：741 / 747
页数：6
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