Electrically driven reprogrammable phase-change metasurface reaching 80% efficiency - Nature Communications

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Electrically driven reprogrammable phase-change metasurface reaching 80% efficiency - Nature Communications
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Shaping the future of light through reconfigurable metasurfaces georgiatech NatureComms

. Note that this conclusion is made through the learning process without adding any physical apriori knowledge. We also support these inferences through studying the evolution of underlying modes of the metasurface in the near-IR regime as discussed in Supplementary Note . From the experimental point of view, the influential role of GST thickness on the modulation depth demands employing of reliable PCM growth techniques such as atomic layer deposition with high precision and uniformity.

In summary, we demonstrated chip-scale electrically driven phase-change metadevices through the incorporation of a heterostructure microheater integrated with a hybrid plasmonic-PCM metasurface. A systematic design approach by leveraging a multiphysics electrothermal study and an electromagnetic analysis of the metadevice was presented.

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