Disorder-immune photonics based on Mie-resonant dielectric metamaterials
arXiv:1905.13734 · doi:10.1103/PhysRevLett.123.163901
Abstract
When the feature size of photonic structures becomes comparable or even smaller than the wavelength of light, the fabrication imperfections inevitably introduce disorder that may eliminate many functionalities of subwavelength photonic devices. Here we suggest a novel concept to achieve a robust bandgap which can endure disorder beyond 30 as a result of the transition from photonic crystals to Mie-resonant metamaterials. By utilizing Mie-resonant metamaterials with high refractive index, we demonstrate photonic waveguides and cavities with strong robustness to position disorder, thus providing a novel approach to the bandgap-based nanophotonic devices with new properties and functionalities.
arXiv comment6 pages, 5 figures
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- Disorder-immune metasurfaces with constituents exhibiting the anapole mode
- Kerker-Type Positional Disorder Immune Metasurfaces
- Resonant Spin Hall Effect of Light in Random Photonic Arrays