Author:
Liu Qi,Shan Lingxiao,Jia Yali,Ma Yun,Gong Qihuang,Gu Ying
Abstract
By placing a four-level system near a high-index dielectric nano-sphere, we find Mie resonances can induce almost maximum quantum interference (QI) factor. The large QI can be flexibly modulated and generate a sub-natural-linewidth fluorescence spectrum.