一种具有强光子捕获能力和激子超辐射的高效光电发射器的设想
Proposal of highly efficient photoemitter with strong photon-harvesting capability and exciton superradiance
摘要：
我们提出了一个系统的高效光电发射器，包括金属-介电（等离子激子）多层结构。在所提出的结构中，激子层中的吸收通过分层激子和金属层所维持的等离子体激元的耦合所产生的分裂模式之间的量子干涉而大大增强。此外，表面等离子体激元和激子之间的大的相互作用体积引起激子超辐射，这导致非常有效的光电发射。这一发现表明，基于简单的层状结构设计高效的光电发射器的可能性。
英文摘要：
We propose a system of highly efficient photoemitters comprising metal-dielectric (plasmonic-excitonic) multilayered structures. In the proposed structure, the absorption in the excitonic layer is greatly enhanced through quantum interference between the split modes arising from the coupling of the layered excitons and the plasmons sustained by the metallic layer. Furthermore, the large interaction volume between surface plasmons and excitons causes exciton superradiance, which results in the extremely efficient photoemission. This finding indicates the possibility of designing highly efficient photoemitters based on simple layered structures.
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