Abstract
A dual-layer plasmonic metasurface which offers effective control of the phase of the transmitted wave by simple translational motion is proposed. The proposed dual-layer metasurface can operate on phase-mode and is controlled by adjusting the lateral shift of lower surface. We firstly derive symmetry requirement of the dual-layer metasurface for full-phase modulation and then, optimize structure parameters by numerical method.
© 2016 Optical Society of America
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