抛物圆顶微腔的模式结构和光线动力学
Mode structure and ray dynamics of a parabolic dome microcavity
摘要：
本文研究抛物面圆顶微腔中电磁场的波动和射线动力学。基本s波的结构涉及主瓣，其中电磁场被限制在立方波长量级的有效体积中的焦点周围，而具有有限角动量的模式具有避开焦点区域的结构并且具有相应更大的有效体积。射线动力学表明，基本的s波是强大的相对于小的几何变形的腔，而高阶模式与射线混沌和短命。我们讨论了这些结果的发病率上的修改放置在这样一个抛物圆顶微腔的发射器的自发发射动力学。
英文摘要：
We consider the wave and ray dynamics of the electromagnetic field in a parabolic dome microcavity. The structure of the fundamental s-wave involves a main lobe in which the electromagnetic field is confined around the focal point in an effective volume of the order of a cubic wavelength, while the modes with finite angular momentum have a structure that avoids the focal area and have correspondingly larger effective volume. The ray dynamics indicates that the fundamental s-wave is robust with respect to small geometrical deformations of the cavity, while the higher order modes are associated with ray chaos and short-lived. We discuss the incidence of these results on the modification of the spontaneous emission dynamics of an emitter placed in such a parabolic dome microcavity.
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