Salij Andrew H, Goldsmith Randall H, Tempelaar Roel
Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA.
Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706-1322, USA.
Nat Commun. 2024 Jan 6;15(1):340. doi: 10.1038/s41467-023-44523-1.
Realizing polariton states with high levels of chirality offers exciting prospects for quantum information, sensing, and lasing applications. Such chirality must emanate from either the involved optical resonators or the quantum emitters. Here, we theoretically demonstrate a rare opportunity for realizing polaritons with so-called 2D chirality by strong coupling of the optical modes of (high finesse) achiral Fabry-Pérot cavities with samples exhibiting "apparent circular dichroism" (ACD). ACD is a phenomenon resulting from an interference between linear birefringence and dichroic interactions. By introducing a quantum electrodynamical theory of ACD, we identify the design rules based on which 2D chiral polaritons can be produced, and their chirality can be optimized.
实现具有高旋光性的极化激元态为量子信息、传感和激光应用带来了令人兴奋的前景。这种旋光性必须源自所涉及的光学谐振器或量子发射器。在这里，我们从理论上证明了一个难得的机会，即通过（高精细度）非手性法布里 - 珀罗腔的光学模式与表现出“表观圆二色性”（ACD）的样品的强耦合来实现具有所谓二维旋光性的极化激元。ACD是一种由线性双折射和二色性相互作用之间的干涉产生的现象。通过引入ACD的量子电动力学理论，我们确定了可以产生二维手性极化激元并优化其旋光性的设计规则。
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