Fotonica tripod full#

EDR group is presently dedicated to understanding how giant refraction can emerge without absorption. The result has substantial applicative consequences in terms of miniaturized circuitry and nonlinear optics, both that are actively investigated in the group (funded through the H2020 Attract Consortium). The phase involves high-dimensional topological defects that appear to allow a giant broadband refraction (n>25) across the entire visible and near infrared spectrum (Nature Photonics 2018). In 2016 the group discovered that during the ferroelectric transition, a coherent ordered 3D domain mosaic forms, a ferroelectric Supercrystal (Nature Communications 2016). It allows the wholly counterintuitive propagation of subwavelength beams (Nature Photonics 2015), topological wave transitions and even macroscopic superlensing (Nature Communications 2021).įerroelectric Supercrystals, Mesoscopic Topological Phases, and Giant Broadband RefractionĮDR's group experimentally investigates the physics associated to the breaking of spatial inversion symmetry in ferroelectric crystals. Starting in 2011 EDR's group has opened a new field in photonics that emerges when photoinduced charge diffusion counters diffraction in nanodisordered ferroelectrics, a field termed Scale-Free Optics (Nature Photonics 2011). Scale-Free Optics, a new field that allows Subwavelength Beam Propagation, Topological Wave Transitions, and Superlensing

Fotonica tripod full#

Key to these pioneering achievements has been the ability of EDR's systems to study phenomena in full 2+1D, a technique that, developed over more than 2 decades in EDR's laboratory, has been recently funded through the PRIN 2020 project 'Extreme waves emerging in full 2D+1 dimensional environments', of which EDR is the Sapienza Unit Leader and responsible for the project experimental activity.

Recent studies are focused on the experimental analysis of Fermi-Pasta-Ulam Recurrences (PRX 2017), soliton chaos (PRL 2021), and the development of an understanding of optical rogue waves (PRL 2015). in nonlinear optical propagation through photorefractive disordered waveguides '- Scientifc Background on the Nobel Prize in Physics 2021, Nobel Committee for Physics, 2021, ).

Experiments in 2017 have allowed the observation of Replica Symmetry Breaking (Nature Communications 2017), a result that was explicitly mentioned in the Scientific Background to the 2021 Nobel Prize in Physics as an important confirmation of Giorgio Parisi's framework ('Importantly, experimental evidence of replica symmetry breaking has been provided. Spatial Solitons and Confirmation of Replica Symmetry BreakingĮDR's group (Eugenio DelRe) experimentally investigates optical spatial solitons and out-of-equilibrium complexity-driven optical dynamics in photorefractive near-transition ferroelectrics.