Electrically Reconfigurable Nonvolatile Metasurface based on Phase Change Materials

Yifei Zhang,Clayton Fowler,Junhao Liang,Bilal Azhar,Mikhail Y. Shalaginov,Skylar Deckoff-Jones,Sensong An,Jeffrey B. Chou,Christopher M. Roberts,Vladimir Liberman,Myungkoo Kang,Carlos Ríos,Kathleen Richardson,Clara Rivero-Baleine,Tian Gu,Hualiang Zhang,Juejun Hu

OSA Optical Design and Fabrication 2021 (Flat Optics, Freeform, IODC, OFT)（2021）

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摘要

We report an electrically reconfigurable metasurface platform based on optical phase change materials. Multi-cycle reversible switching is realized using conductive micro-heaters. Large-contrast spectral tuning and beam-steering are demonstrated.

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