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Broadband Four-Wave Mixing Enhanced by Plasmonic Surface Lattice Resonance and Localized Surface Plasmon Resonance in an Azimuthally Chirped Grating
Abhik Chakraborty, Parijat Barman, Ankit Kumar Singh +8
Plasmonic enhancement of nonlinear light-matter interaction can be achieved via dedicated optimization of resonant plasmonic modes that are spectrally matched to the different wave…
Enhancement of third harmonic generation induced by surface lattice resonances in plasmonic metasurfaces
Jeetendra Gour, Sebastian Beer, Alessandro Alberucci +2
We investigate experimentally Third Harmonic Generation (THG) from plasmonic metasurfaces consisting of two-dimensional rectangular lattices of centrosymmetric gold nano-bars. By v…
Ultrafast laser welding of silicon
Maxime Chambonneau, Qingfeng Li, Markus Blothe +1
While ultrafast laser welding is an appealing technique for bonding transparent workpieces, it is not applicable for joining silicon samples due to nonlinear propagation effects wh…
Wave manipulation via delay-engineered periodic potentials
Alessandro Alberucci, Chandroth P. Jisha, Monika Monika +2
We discuss the semi-classical transverse trapping of waves by means of an inhomogeneous gauge field. In the proposed scheme a temporally-periodic perturbation is shifted in time, t…
Second harmonic generation under doubly resonant lattice plasmon excitation
Sebastian Beer, Jeetendra Gour, Alessandro Alberucci +3
Second harmonic generation is enhanced at the surface lattice resonance in plasmonic nanoparticle arrays. We carried out a parametric investigation on two-dimensional lattices comp…