All-dielectric Near-infrared Artificial Mirror

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Credits/Names: 

DMR-1420620: L. Lin, Z. H. Jiang, D. Ma, S. Yun, Z. Liu, D. H. Werner and T. S. Mayer,
Dielectric nanoresonator based lossless optical perfect magnetic mirror with near-zero reflection phase
Appl. Phys. Lett. 2016, 108 (17), 171902. DOI: 10.1063/1.4947274

A dielectric mirror comprised of a cross-shaped amorphous silicon nanoresonator array was designed to achieve 99.8% reflectivity and zero reflection phase at the wavelength of 0.99 μm. The measured results match the predictions precisely, with 99.5% reflectivity and near-zero reflection phase at 1 μm. By precisely controlling the propagation of light in nanometer-scale materials, this combined approach of materials design and advanced fabrication holds great promise in applications ranging from nanocavities to nanowaveguides and nanoantennas.

Year of Research Highlight: 
2016
IRG: 
IRG4 - Photonic Assemblies