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Spatially Separated Self-Assembled Silver Dendrites for Highly Sensitive SERS Applications
D. V. Yakimchuk, E. Yu. Kaniukov, S. I. Lepeshov +11
Even after more than four decades of rapid-pace advances, the adoption of Surface-Enhanced Raman Scattering (SERS) remains limited, due to the difficulties in fabrication of effect…
Enhanced Excitation and Emission from 2D Transition Metal Dichalcogenides with All-Dielectric Nanoantennas
Sergey Lepeshov, Alex Krasnok, Andrea Alu
The recently emerged concept of all-dielectric nanophotonics based on optical Mie resonances in high-index dielectric nanoparticles has proven a promising pathway to boost light-ma…
Asymmetric metasurfaces with high- resonances governed by bound states in the continuum
Kirill Koshelev, Sergey Lepeshov, Mingkai Liu +2
We reveal that metasurfaces created by seemingly different lattices of (dielectric or metallic) meta-atoms with broken in-plane symmetry can support sharp high- resonances that…
Hybrid Nanophotonics
Sergey Lepeshov, Alexander Krasnok, Pavel Belov +1
Advances in the field of plasmonics, that is, nanophotonics based on optical properties of metal nanostructures, paved the way for the development of ultrasensitive biological sens…
Nanophotonics with 2D Transition Metal Dichalcogenides
Alex Krasnok, Sergey Lepeshov, Andrea Alú
Two-dimensional transition metal dichalcogenides (TMDCs) have recently become attractive semiconductor materials for several optoelectronic applications, such as photodetection, li…