Chiral lasing enabled by strong coupling

Huachun Deng

doi:10.1126/sciadv.ads9562

2025-04-11

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DOI：10.1126/sciadv.ads9562

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连续体中的手性准束缚态是元光子结构中依赖于自旋的高Q谐振，其通过设计面内和面外不对称性来扰动受对称性保护的光学态而实现，并且支持垂直方向的手性激光。在此，我们探索了手性超表面中两个谐振之间的耦合，并引入了一种高纯度手性激光发射的机制。我们发现，在设计的超表面中，具有近乎正交偏振的两个谐振会强耦合。与相干衰变通道相关的谐振固有相位差，可以赋予高Q因子，并使混合模式之一的旋光性最大化。我们通过测量透射谱、角度分辨光致发光和激光发射实验验证了这一方法。我们相信，该机制能够突破传统手性准BIC激光的限制，实现任意设计方向的手性发射。

Keyword:

BOUND-STATES

RESONANCES

EMISSION

MOLECULES

期刊

Science Advances

IF:

12.5

论文数:

2.0W

被引数:

18.1W

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