期刊
APPLIED PHYSICS LETTERS
卷 109, 期 5, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4959272
关键词
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资金
- Engineering and Physical Sciences Research Council [EP/G060363/1, EP/M009122/1]
- Samsung Advanced Institute of Technology [IO140325-01462-01]
- Royal Society
- Singapore Ministry of Education [MOE2011-T3-1-005]
- Singapore Agency for Science, Technology and Research (A*STAR) [SERC] [1223600007]
- Engineering and Physical Sciences Research Council [EP/N00762X/1, EP/G060363/1, EP/M009122/1] Funding Source: researchfish
- EPSRC [EP/G060363/1, EP/N00762X/1, EP/M009122/1] Funding Source: UKRI
We harness non-volatile, amorphous-crystalline transitions in the chalcogenide phase-change medium germanium antimony telluride (GST) to realize optically-switchable, all-dielectric metamaterials. Nanostructured, subwavelength-thickness films of GST present high-quality resonances that are spectrally shifted by laser-induced structural transitions, providing reflectivity and transmission switching contrast ratios of up to 5:1 (7 dB) at visible/near-infrared wavelengths selected by design. Published by AIP Publishing.
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