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Light-to-current and current-to-light coupling in plasmonic systems

机译:等离子体系统中的光-电流和电流-光耦合

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摘要

In thin silver films we have observed strong photon drag effect (PDE) enhanced by surface plasmon polaritons (SPPs) excited in a Kretschmann geometry at the SPP resonant angle. A weaker PDE of an opposite polarity has been detected at off-resonance incidence angles. We have also found that SPPs can be controlled by an external dc current propagating in the film. Both observed phenomena are mediated by electron-plasmon coupling and can find applications in plasmonic nanocircuitry, combining advantages of compact electronics and fast photonics.
机译:在银薄膜中,我们已经观察到在KPtschmann几何结构中以SPP共振角激发的表面等离振子极化子(SPP)增强了强光子拖曳效应(PDE)。在离共振入射角处检测到相反极性的PDE较弱。我们还发现,SPP可以通过在薄膜中传播的外部直流电流来控制。两种观察到的现象都是通过电子-等离子体耦合来介导的,并结合了紧凑型电子学和快速光子学的优点,可以在等离子体纳米电路中找到应用。

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