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- P. Reig3 profiles47 · h 30
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5 papers · 2 filters
Spiraling light: Generating optical tornados
Dimitris Mansour, Apostolos Brimis, Konstantinos G. Makris +1
We experimentally generate optical tornado waves using spatial multiplexing on a single-phase modulation device. In their focal region, the intensity pattern outlines a spiral of d…
Enhanced THz third-harmonic generation in graphene via hot-carriers in a topological cavity
Spyros Doukas, Ioannis Katsantonis, Thomas Koschny +2
Graphene is a promising material for nonlinear THz applications owing to its high third-order susceptibility and tunable optical properties. Its strong nonlinear response, driven b…
The universality of filamentation-caused challenges of ultrafast laser energy deposition in semiconductors
Maxime Chambonneau, Markus Blothe, Vladimir Yu. Fedorov +3
Light propagation in semiconductors is the cornerstone of emerging disruptive technologies holding considerable potential to revolutionize telecommunications, sensors, quantum engi…
Silicon nanoantennas for tailoring the optical properties of MoS2 monolayers
Danae Katrisioti, Peter R. Wiecha, Aurélien Cuche +11
Silicon-based dielectric nanoantennas provide an effective platform for engineering light-matter interactions in van der Waals semiconductors. Here, we demonstrate near-field coupl…
Deciphering Carrier Dynamics in Polycarbonate Following Excitation with Ultrashort Laser Pulses
George D. Tsibidis, Matina Vlahou, Stella Maragkaki +2
Polymers exposed to ultrashort pulsed lasers (UPL) experience a range of physical and chemical changes that play a key role in applications ranging from material processing to adva…