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Theoretical prediction of a dramatic Q-factor enhancement and degeneracy removal of whispering gallery modes in symmetrical photonic molecules

机译:对称光子分子中悄悄回廊模式的显着Q因子增强和简并消除的理论预测

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摘要

Coupled-microdisk photonic molecules with high-symmetry geometries that support nondegenerate whispering gallery modes with high quality factors are numerically designed, based on a two-dimensional model. Dramatic enhancement of calculated Q factors of nondegenerate modes as compared with single-microdisk whispering gallery modes of the same radial order is achieved by tuning the intercavity coupling distances. Potential applications of this work to the design of single-mode coupled-microdisk structures with large spontaneous emission factors and low threshold lasing operation and to random laser simulations are discussed.
机译:基于二维模型,以数值方式设计了具有高对称性的耦合微盘光子分子,这些分子支持具有高质量因子的非简并耳语画廊模式。通过调整腔耦合距离,可以大大提高非退化模式的计算Q因子(与相同径向顺序的单微盘耳语画廊模式相比)。讨论了这项工作在具有大自发发射因子和低阈值激光操作的单模耦合微盘结构设计以及在随机激光仿真中的潜在应用。

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