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physics.optics2023
Highly-confined and tunable plasmonics based on two-dimensional solid-state defect lattices
Ali Ghorashi, Nicholas Rivera, Bowen Shi +4
Plasmons, collective excitations of electrons in solids, are associated with strongly confined electromagnetic fields, with wavelengths far below the wavelength of photons in free…
physics.optics2023★ 12 cited
Transcending shift-invariance in the paraxial regime via end-to-end inverse design of freeform nanophotonics
William F. Li, Gaurav Arya, Charles Roques-Carmes +3
Traditional optical elements and conventional metasurfaces obey shift-invariance in the paraxial regime. For imaging systems obeying paraxial shift-invariance, a small shift in inp…