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首页> 外文期刊>Journal of Modern Optics >Optical resonance near the edge of a photonic band gap (PBG): turning the effects of a PBG on/off using a resonant driving field
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Optical resonance near the edge of a photonic band gap (PBG): turning the effects of a PBG on/off using a resonant driving field

机译：光子带隙边缘附近的光学谐振（PBG）：使用谐振驱动场转动PBG开/关的效果

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摘要

We studied the effects of a coherent monochromatic resonant laser field driving the transition of a two-level atom embedded in a photonic band gap (PBG) material on the emission dynamics of the atom. When the transition frequency of the atom lies outside a PBG and sufficiently far from the band edge that the emission dynamics of the atom is not normally affected by the gap, the dynamic stark splitting of the upper level of the atom into two dressed states by a sufficiently strong resonant driving field can bring the lower dressed state close enough to the band edge or even inside the gap so as to be affected by the gap, providing a switchable means of extending the novel effects of atom-photon interaction near the edge of a PBG for atomic transitions outside the gap and far from the band edge. The net effect is as if a sufficiently strong resonant field driving a transition of an atom embedded in a PBG actively shifts the PBG close enough to the transition so that the gap affects the emission dynamics associated with the transition.
机译：我们研究了一致的单色谐振激光场驱动嵌入在原子发射动态的光子带隙（PBG）材料中嵌入的双层原子的转变的影响。当原子的过渡频率在PBG之外并且远离频带边缘时，原子的发射动态通常不会受到间隙的影响，动态溅将原子的上层分裂成两个穿着的状态足够强的谐振驱动场可以使下衣服的较低衣服靠近带边缘或甚至在间隙内部，以便受到间隙的影响，从而提供可切换的延伸原子 - 光子相互作用在边缘附近的新颖效果的可切换装置PBG用于差距外的原子过渡，远离带边缘。净效应好像驱动在PBG中嵌入的原子的过渡的足够强的谐振场主动地将PBG移位到过渡，使得间隙影响与转变相关联的发射动态。

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