Park Kyu-Won, Son Kwon-Wook, Ju Chang-Hyun, Jeong Kabgyun
Research Institute of Mathematics, Seoul National University, Seoul 08826, Republic of Korea.
Department of Electrical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea.
Entropy (Basel). 2022 Nov 28;24(12):1737. doi: 10.3390/e24121737.
Park et al. showed that the Shannon entropy of the probability distribution of a single random variable for far-field profiles (FFPs) in deformed microcavity lasers can efficiently measure the directionality of deformed microcavity lasers. In this study, we instead consider two random variables of FFPs with joint probability distributions and introduce the decomposed (Shannon) entropy for the peak intensities of directional emissions. This provides a new foundation such that the decomposed entropy can estimate the degree of the output power at given FFPs without any further information.
朴等人表明，变形微腔激光器远场分布（FFP）中单个随机变量概率分布的香农熵可以有效地测量变形微腔激光器的方向性。在本研究中，我们转而考虑具有联合概率分布的两个FFP随机变量，并引入定向发射峰值强度的分解（香农）熵。这提供了一个新的基础，使得分解熵无需任何进一步信息就能估计给定FFP处的输出功率程度。
