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We differentiate the spacer-dependent peak shift in coupled and decoupled super absorbing metasurfaces based on magnetic resonance and interference mechanism, respectively, which was experimentally validated by low-cost structures fabricated by lithography-free processes.
2D metal nanopillar arrays in media of constant and gradient refractive indices are simulated and their subtractive colour filtering features are demonstrated. These results are expected to contribute to the next generation display technologies.
The phase change dispersion during the surface plasmon wave coupling process was extracted experimentally using a slit-groove interferometer and validated through numerical simulation, enriching the fundamental understanding of plasmonic subwavelength optics on a chip.
Exciton-polaritons are bosonic quasi-particles originating in the strong coupling regime. They can undergo a condensation process leading to coherent emission. We show a realisation of electrically driven polariton condensates using a p-i-n doped microcavity.
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