环形微腔中的品质因数与动态隧穿
Quality factors and dynamical tunneling in annular microcavities
摘要：
微腔中光学模式的关键特性是其描述光学损耗的品质因数。这个量的数值计算对于当今的设备可能是非常苛刻的。在这里，我们表明，对于某一类回音壁腔的品质因数与动态隧穿，在量子混沌领域的研究现象。我们最近开发的方法来确定动态隧穿率开放腔。这使我们能够推导出一个解析公式的品质因数，这是在很好的协议与麦克斯韦方程组的全部解决方案。
英文摘要：
The key characteristic of an optical mode in a microcavity is its quality factor describing the optical losses. The numerical computation of this quantity can be very demanding for present-day devices. Here we show for a certain class of whispering-gallery cavities that the quality factor is related to dynamical tunneling, a phenomenon studied in the field of quantum chaos. We extend a recently developed approach for determining dynamical tunneling rates to open cavities. This allows us to derive an analytical formula for the quality factor which is in very good agreement with full solutions of Maxwell's equations.
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