Jørgensen Mads A, Pandey Devashish, Amooghorban Ehsan, Xiao Sanshui, Stenger Nicolas, Wubs Martijn
Department of Electrical and Photonics Engineering, Technical University of Denmark, Kgs. Lyngby, Denmark.
Department of Physics, Faculty of Science, Shahrekord University, P.O. Box 115, Shahrekord 88186-34141, Iran.
Nanophotonics. 2025 Jan 30;14(11):2015-2029. doi: 10.1515/nanoph-2024-0524. eCollection 2025 Jun.
We study the collective photon decay of multiple quantum emitters embedded in a thin high-index dielectric layer such as hexagonal boron nitride (hBN), with and without a metal substrate. We first explore the significant role that guided modes including surface plasmon modes play in the collective decay of identical single-photon emitters (super- and subradiance). Surprisingly, on distances relevant for collective emission, the guided or surface-plasmon modes do not always enhance the collective emission. We identify configurations with inhibition, and others with enhancement of the dipole interaction due to the guided modes. We interpret our results in terms of local and cross densities of optical states. In the same structure, we show a remarkably favorable configuration for enhanced Förster resonance energy transfer between a donor and acceptor in the dielectric layer on a metallic substrate. We compare our results to theoretical limits for energy transfer efficiency.
我们研究了嵌入薄的高折射率介电层（如六方氮化硼（hBN））中的多个量子发射体在有无金属衬底情况下的集体光子衰变。我们首先探究了包括表面等离子体模式在内的导模在相同单光子发射体的集体衰变（超辐射和亚辐射）中所起的重要作用。令人惊讶的是，在与集体发射相关的距离上，导模或表面等离子体模式并不总是增强集体发射。我们识别出了存在抑制作用的构型，以及因导模而使偶极相互作用增强的其他构型。我们根据光学态的局部和交叉密度来解释我们的结果。在同一结构中，我们展示了一种极为有利的构型，可增强金属衬底上介电层中供体与受体之间的Förster共振能量转移。我们将我们的结果与能量转移效率的理论极限进行了比较。
