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34 papers · 1 filter
Tensor-driven geometric phase in nonlinear AlGaAs metasurfaces
Giorgio Guercio, Andrea Gerini, Kristina Frizyuk +5
Dielectric metasurfaces provide a unique platform for efficient harmonic generation and optical wavefront manipulation at the nanoscale. While several approaches are available for…
Resonant Fully dielectric metasurfaces for ultrafast Terahertz pulse generation
Luke Peters, Davide Rocco, Luana Olivieri +11
Metasurfaces represent a new frontier in materials science paving for unprecedented methods of controlling electromagnetic waves, with a range of applications spanning from sensing…
Efficient optical coupling to gallium arsenide nano-waveguides and resonators with etched conical fibers
Samuel Pautrel, Florent Malabat, Louis Waquier +4
We explore new methods for coupling light to on-chip gallium arsenide nanophotonic structures using etched conical optical fibers. With a single-sided conical fiber taper, we demon…
All-optical free-space routing of upconverted light by metasurfaces via nonlinear interferometry
Agostino Di Francescantonio, Attilio Zilli, Davide Rocco +9
All-optical modulation yields the promise of high-speed information processing. In this frame, metasurfaces are rapidly gaining traction as ultrathin multifunctional platforms for…
Hybrid cavity-antenna architecture for strong and tunable sideband-selective molecular Raman scattering enhancement
Ilan Shlesinger, Jente Vandersmissen, Eitan Oksenberg +2
Plasmon resonances at the surface of plasmonic antennas allow for extremely strong enhancement of Raman scattering. Intrinsic to plasmonics, however, is that extreme field confinem…
Nonlinear Nanoresonators for Bell State Generation
Maximilian A. Weissflog, Romain Dezert, Vincent Vinel +6
Entangled photon states are a fundamental resource for optical quantum technologies and investigating the fundamental predictions of quantum mechanics. Up to now such states are ma…