Because these planar plasmonic structures act as wave-guides, shepherding the electromagnetic waves along the metal-dielectric boundary, they could be useful in routing signals on a chip.

• 这些表面电浆子结构能发挥波导的作用，引导电磁波沿金属与介电质间的交界面移动，因此可用于传递晶片内的讯号。