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Polariton multi-mode interferometer controlled by optical Stark shift in WS2 microcavity
IEEE Journal of Quantum Electronics ( IF 2.2 ) Pub Date : 2020-06-01 , DOI: 10.1109/jqe.2020.2968138
Mahnoor Shahzadi , Chuyuan Zheng , Shanshan Wang , Wei Li Zhang

Applications based on the formation of exciton polariton in microcavities provide new avenues for the realization of low-energy consumption and ultrafast devices in areas of photo-electronic and quantum information. Here, we propose a way to design polaritonic multi-mode interferometers in a WS2 microcavity by an all optical control method. The interference phenomenon of polariton is controlled by the well-known optical Stark effect. The optical Stark light changes dispersion (e.g., effective refractive index) of the illuminated region, and generates a waveguide region therein, thus supporting different guided modes of polariton. Multi-mode interference of polariton is then guided by changing the beam pattern or intensity of the Stark light. This proposed method is then theoretically analyzed and proved via effective refractive index calculation and eigenmode analysis of plane waveguide.

中文翻译:

WS2微腔中由光学斯塔克位移控制的偏振多模干涉仪

基于在微腔中形成激子极化子的应用为在光电和量子信息领域实现低能耗和超快器件提供了新的途径。在这里,我们提出了一种通过全光控制方法在 WS2 微腔中设计极化多模干涉仪的方法。极化子的干涉现象是由著名的光学斯塔克效应控制的。光学斯塔克光改变被照射区域的色散(例如,有效折射率),并在其中产生波导区域,从而支持偏振子的不同导模。然后通过改变斯塔克光的光束模式或强度来引导极化子的多模干涉。
更新日期:2020-06-01
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