Kim Myung-Woon, Rim Sunghwan, Yi Chang-Hwan, Kim Chil-Min
Opt Express. 2013 Dec 30;21(26):32508-15. doi: 10.1364/OE.21.032508.
We investigate the impact of local dynamics on chaos-assisted tunneling in a highly deformed microcavity whose classical ray dynamics exhibits a small measure of trapezoidal-shaped orbit (TSO) stability islands in a main chaotic sea. These two classically completely decomposed regions in phase space can support resonance modes of their own respectively. Using numerical ray and wave analyses, we show that the emission characteristics of the TSO resonance mode are determined by local ray dynamics near TSO islands. The emission characteristics of the other high-Q resonance modes, on the other hand, are governed by usual ray-wave correspondence. We experimentally demonstrate that the TSO emission mode can be lased without selective excitations by devising a half-moon shaped highly deformed cavity. And we also show that the emission characteristics of the TSO lasing modes are well explained by numerical ray and wave analyses.
我们研究了局部动力学对高度变形微腔中混沌辅助隧穿的影响，该微腔的经典射线动力学在主要混沌海中呈现出少量梯形轨道（TSO）稳定岛。相空间中这两个经典上完全分解的区域可分别支持各自的共振模式。通过数值射线和波动分析，我们表明TSO共振模式的发射特性由TSO岛附近的局部射线动力学决定。另一方面，其他高Q共振模式的发射特性则由通常的射线-波对应关系支配。我们通过设计一个半月形高度变形腔，实验证明了TSO发射模式无需选择性激发就能产生激光。并且我们还表明，数值射线和波动分析很好地解释了TSO激光模式的发射特性。
