极化线介质的双拓扑跃迁及其辐射意义

2016 URSI International Symposium on Electromagnetic Theory (EMTS) Pub Date : 2016-09-19 DOI:10.1109/URSI-EMTS.2016.7571306

M. Mirmoosa, S. Kosulnikov, C. Simovski

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引用次数: 0

摘要

在这里，理论上我们揭示了在由钽酸锂纳米线形成的线介质中，波色散在中红外频率下的两个拓扑跃迁。我们展示了当一个跃迁固定在某个频率时，另一个发生在较低频率的跃迁可以被蓝移，这使得嵌入到介质中的红外发射器能够实现宽带增强发射。

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Dual topological transition in polaritonic wire media and its radiative implications

Here, theoretically we uncover two topological transitions of the wave dispersion at midinfrared frequencies in a wire medium formed by lithium tantalate nanowires. We show while one transition is fixed at one certain frequency, the other transition happening at lower frequency can be blue shifted which enables to achieve a broadband enhancement of emission for an infrared emitter embedded into the medium.

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2016 URSI International Symposium on Electromagnetic Theory (EMTS)

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