arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 0904.0758cond-mat.other
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谐振布拉格光栅中的类极化激元色散偶极

Microcavity polariton-like dispersion doublet in resonant Bragg gratings

Fabio Biancalana, Leonidas Mouchliadis, Celestino Creatore, Simon Osborne, Wolfgang Langbein

摘要:

共振耦合到激子介质的周期性结构允许存在额外的带隙内模式(“布拉格激子”),这是由于布拉格光子模式和3D体激子之间的耦合。这导致了独特的和未开发的色散特性,这可以通过适当设计激子共振周围的光子带隙来定制。我们报道了用半导体光栅实现的一维布拉格激元具有模拟量子阱微腔极化激元色散的能力。这将允许观察新的非线性现象,如慢光增强的非线性传播和有效的参数散射在两个“魔频”。

英文摘要:

Periodic structures resonantly coupled to excitonic media allow the existence of extra intragap modes ('Braggoritons'), due to the coupling between Bragg photon modes and 3D bulk excitons. This induces unique and unexplored dispersive features, which can be tailored by properly designing the photonic bandgap around the exciton resonance. We report that one-dimensional Braggoritons realized with semiconductor gratings have the ability to mimic the dispersion of quantum-well microcavity polaritons. This will allow the observation of new nonlinear phenomena, such as slow-light-enhanced nonlinear propagation and an efficient parametric scattering at two 'magic frequencies'.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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