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Enhanced Harmonic Generation in Gases Using an All-Dielectric Metasurface
Jared S. Ginsberg, Adam C. Overvig, M. Mehdi Jadidi +5
Strong field-confinement, long-lifetime resonances, and slow-light effects suggest that meta surfaces are a promising tool for nonlinear optical applications. These nanostructured…
Multifunctional Resonant Wavefront-Shaping Meta-Optics Based on Multilayer and Multi-Perturbation Nonlocal Metasurfaces
Stephanie C. Malek, Adam C. Overvig, Andrea Alù +1
Photonic devices rarely provide both elaborate spatial control and sharp spectral control over an incoming wavefront. In optical metasurfaces, for example, the localized modes of i…
Active Nonlocal Metasurfaces
Stephanie C. Malek, Adam C. Overvig, Sajan Shrestha +1
Actively tunable and reconfigurable wavefront shaping by optical metasurfaces poses a significant technical challenge often requiring unconventional materials engineering and nanof…
Chiral Quasi-Bound States in the Continuum
Adam Overvig, Nanfang Yu, Andrea Alu
Quasi-bound states in the continuum (q-BICs) are resonant states of suitably tailored nanostructures with long optical lifetimes controlled by symmetry-breaking perturbations. Whil…
Multifunctional Nonlocal Metasurfaces
Adam C. Overvig, Stephanie C. Malek, Nanfang Yu
Diffractive photonic devices manipulate light via local and nonlocal optical modes. Local devices, such as metasurfaces, can shape a wavefront at multiple selected wavelengths, but…