倏逝四极激子极化激元
材料科学
2009-11-13 v1
摘要
本文展示了在氧化亚铜平板与置于其上的聚苯乙烯微球界面处形成了一种新型极化激元。共振回音壁模式 (WGM) 的倏逝场具有显著的梯度,因此能与氧化亚铜中的四极 1S 激子有效耦合。这种倏逝极化激元具有长寿命 (1.7ns),仅由其激子分量决定。该极化激元的下支具有明显的极小值,表明这种激发可用于玻色 - 爱因斯坦凝聚 (BEC)。通过将微球组装成线性链,可以提高极化激元的空间相干性。
引用
@article{arxiv.0705.0749,
title = {Evanescent quadrupole polariton},
author = {Oleksiy Roslyak and Joseph L. Birman},
journal= {arXiv preprint arXiv:0705.0749},
year = {2009}
}
评论
4 pages, 3 figures; APS/PREPRINT
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