7 citations · 14 across the 7 of their papers we have counts for
7 papers
Nonlinear Optical Microscopy of Semiconductor Metal-Nanocavities
Riya Varghese, Shambhavee Annurakshita, Yaraslau Tamashevich +13
We use second and third harmonic generation microscopy to investigate the nonlinear optical response of GaAs nanocavities embedded in a gold film and compare them to bare GaAs nano…
Structured Light-Matter Interaction: Twisted Photons in Graphene
Yaraslau Tamashevich, Marco Ornigotti
In this work we present a numerical framework for studying the interaction of structured electromagnetic fields, i.e., light pulses carrying orbital angular momentum (OAM), interac…
Field theory description of the non-perturbative optical nonlinearity of epsilon-near-zero media
Yaraslau Tamashevich, Tornike Shubitidze, Luca Dal Negro +1
In this paper we introduce a fully non-perturbative approach for the description of the optical nonlinearity of epsilon-near-zero (ENZ) media. In particular, based on the rigorous…
2D Weyl Materials in the Presence of Constant Magnetic Fields
Yaraslau Tamashevich, Leone Di Mauro Villari, Marco Ornigotti
In this work we investigate the effect of a constant external, or artificial, magnetic field on the nonlinear response of 2D Weyl materials. We calculate the Landau Levels for tilt…
Inhomogeneous Dirac-Bloch Equations for Graphene Interacting with Structured Light
Yaraslau Tamashevich, Marco Ornigotti
We generalise the usual framework of Dirac-Bloch equations, used to compute the nonlinear optical response of 2D materials excited by spatially uniform optical pulses, to the case…
Nonlinear optical response of Type-II Weyl fermions in two dimensions
Yaraslau Tamashevich, Leone Di Mauro Villari, Marco Ornigotti
We present a theoretical model to study the nonlinear optical response of materials with a low-energy spectrum characterised by strongly tilted, type-II, Weyl cones in two dimensio…
Path Integrals: From Quantum Mechanics to Photonics
Charles W. Robson, Yaraslau Tamashevich, Tapio T. Rantala +1
The path integral formulation of quantum mechanics, i.e., the idea that the evolution of a quantum system is determined as a sum over all the possible trajectories that would take…