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Quantum interference-enhanced spontaneous emission and population oscillation in photonic crystals

机译:光子晶体中量子干涉增强的自发发射和种群振荡

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摘要

In this paper, the spontaneous emission from a three-level atom embedded in a photonic band gap structure is studied. The quantum interference between two decay processes affects the atomic splitting of the upper levels into dressed states and leads to some novel behavior of the populations in the excited states: anti-trapping, periodic oscillation, and no population inversion. These properties strongly depend on the relative positions of the two upper levels from the forbidden gap and differ from that of the two-level atom in a photonic crystal.
机译:本文研究了嵌入在光子带隙结构中的三能级原子的自发发射。两个衰变过程之间的量子干扰影响了上层原子分裂为整齐态,并导致了处于激发态的粒子团的某些新行为:反陷阱,周期性振荡和没有粒子反转。这些性质在很大程度上取决于从禁隙开始的两个较高能级的相对位置,并且不同于光子晶体中两个能级原子的相对位置。

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