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Targeted Sub-attomole Cancer Biomarker Detection based on Phase Singularity 2D Nanomaterial-enhanced Plasmonic Biosensor
Yuye Wang, Shuwen Zeng, Aurelian Crunteanu +11
Detection of small cancer biomarkers with low molecular weight and a low concentration range has always been challenging yet urgent in many clinical applications such as diagnosing…
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…
Physical and Behavioral Adaptations to Prevent Overheating of the Living Wings of Butterflies
Cheng-Chia Tsai, Richard A. Childers, Norman Nan Shi +5
The wings of Lepidoptera contain a matrix of living cells whose function requires appropriate temperatures. However, given their small thermal capacity, wings can overheat rapidly…