560 citations · 860 across the 10 of their papers we have counts for
10 papers
All-Optical Control over Nonlocality for Ultrafast Image Processing with an Excitonic Metasurface
Bernardo S. Dias, Romain Tirole, Michele Guizzardi +4
Image processing lies at the foundation of many modern technologies, such as augmented reality and autonomous driving, yet conventional digital approaches remain energy-intensive a…
Ultrafast Control of Lifetime in High Q Anisotropic Plasmon Polaritons
Romain Tirole, Giacomo Venturi, Emroz Khan +6
Losses are a major roadblock in the technological implementation of surface plasmons at optical frequencies. The recent emergence of MoOCl2, a correlated van-der-Waals material wit…
Optical coherent perfect absorption and amplification in a time-varying medium
Emanuele Galiffi, Anthony C. Harwood, Stefano Vezzoli +3
Time-invariant photonic structures amplify or absorb light based on their intrinsic material gain or loss. The coherent interference of multiple beams in space, e.g., in a resonato…
Space-Time Optical Diffraction from Synthetic Motion
A. C. Harwood, S. Vezzoli, T. V. Raziman +7
The interaction of light with objects and media moving at relativistic and superluminal speeds enables unconventional phenomena such as Fresnel drag, Hawking radiation, and light a…
Second harmonic generation at a time-varying interface
Romain Tirole, Stefano Vezzoli, Dhruv Saxena +6
Time-varying metamaterials rely on large and fast changes of the linear permittivity. Beyond the linear terms, however, the effect of a non-perturbative modulation of the medium on…
Nonlinear dielectric epsilon near-zero hybrid nanogap antennas
Romain Tirole, Benjamin Tilmann, Leonardo de S. Menezes +3
High-index Mie-resonant dielectric nanostructures provide a new framework to manipulate light at the nanoscale. In particular their local field confinement together with their inhe…
Double-slit time diffraction at optical frequencies
Romain Tirole, Stefano Vezzoli, Emanuele Galiffi +6
The wave nature of light is revealed by diffraction from physical structures. We report a time-domain version of the classic Young's double-slit experiment: a beam of light twice g…
Saturable time-varying mirror based on an ENZ material
Romain Tirole, Emanuele Galiffi, Jakub Dranczewski +9
We report a switchable time-varying mirror, composed of an ITO-Au stack, which can be efficiently modulated in time with over a ten-fold increase in reflectivity, with a change of…
Photonics of Time-Varying Media
Emanuele Galiffi, Romain Tirole, Shixiong Yin +7
Time-varying media have recently emerged as a new paradigm for wave manipulation, thanks to thesynergy between the discovery of novel, highly nonlinear materials, such as epsilon-n…
Spectral and spatial shaping of Smith Purcell Radiation
Roei Remez, Niv Shapira, Charles Roques-Carmes +6
The Smith Purcell effect, observed when an electron beam passes in the vicinity of a periodic structure, is a promising platform for the generation of electromagnetic radiation in…