Floquet formulation nonlinear optics
WebMar 24, 2024 · Floquet Analysis. Given a system of ordinary differential equations of the form. (1) that are periodic in , the solution can be written as a linear combination of … WebFeb 1, 2004 · The advancement of high-power and short-pulse laser technology in the past two decades has generated considerable interest in the study of multiphoton and very high-order nonlinear optical processes of atomic and molecular systems in intense and superintense laser fields, leading to the discovery of a host of novel strong-field …
Floquet formulation nonlinear optics
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WebMaterials with large real third-order optical nonlinearities that also exhibit low linear and nonlinear loss mechanisms are of interest for a variety of all optical signal processing … WebDec 2, 2024 · The aim of this work is to show that such Floquet topological lasers exhibiting stable disorder- and defect-immune lasing in topologically protected edge states can be implemented using truncated honeycomb arrays of helical waveguides written or fabricated in the nonlinear optical material with gain saturation.
WebUnder strong light irradiation, materials show electric polarization P or current J = d P / d t, which are nonlinear functions of the electric field E.These nonlinear optical responses … Web2009: Optical Society of America’s top optics developments of 2009 for measurements of superluminal Bessel pulses. 2008: Awarded Fellow of the American Association for the …
WebMay 19, 2024 · Finally, blending Floquet physics with nonlinear optics has recently led to the first observation of topological solitons in twisted waveguide arrays . It is worth remarking however that temporal and spatial degrees of freedom are not interchangeable, due to the different causality relations between impinging and scattered waves underlying the ... WebMar 10, 2024 · Subjecting a physical system to a time-periodic drive can substantially modify its properties and applications. This Floquet-engineering approach has been extensively applied to a wide range of classical and quantum settings in view of designing synthetic systems with exotic properties. Considering a general class of two-mode nonlinear …
WebMar 15, 2024 · We report on a theoretical analysis of the Floquet topological crystalline phases in driven one-dimensional photonic crystals mediated by second-order optical …
WebWe present the first realization of soliton-like unidirectional edge modes on photonic Floquet topological insulators. These nonlinear modes radiate power at a finite and controllable rate because of the intrinsic gaplessness of the topological spectrum. how to seal wet basementWebnature of a few nonlinear responses and the symmetry constraints to the nonlinear responses in an explicit way. RESULTS Floquet two-band model We study nonlinear … how to seal window air conditioner for winterWebMar 27, 2024 · Abstract: Ultrafast nonlinear optical phenomena in solids have been attracting major interest as novel methodologies for femtosecond spectroscopy of electron dynamics and control of material properties. Here, we theoretically investigate strong-field nonlinear optical transitions in a prototypical two-dimensional material, hBN, and show … how to seal waterslide on glassWebWe present a Floquet scheme for the ab-initio calculation of nonlinear optical properties in extended systems. This entails a reformulation of the real-time approach based on the dynamical Berry-phase polarisation (Attaccalite and Grüning 2013 Phys. Rev. B 88 1–9) and retains the advantage of being non-perturbative in the electric field. how to seal windowWebJun 16, 2024 · Floquet theory calculations based on a single-ion model of MnPS$_3$ are able to reproduce the measured driving field amplitude and polarization dependence of the effect. Our approach can be applied to a broad range of insulating materials and could lead to dynamically designed nonlinear optical elements. Comments: 5 pages main text, 4 … how to seal windows for winter and summerWebSep 24, 2013 · We present a short review article of recent new developments of Floquet formulations of time‐dependent density functional theory (TDDFT) for ab initio nonperturbative treatment of multiphoton and high‐order nonlinear optical processes of many‐electron quantum systems in intense laser fields. In the presence of … how to seal white painted furnitureWebMar 2, 2024 · The Floquet approach to nonlinear optics presented in this manuscript has been implemented into the Yambo code [57, 58] and tested with a number of well-known … how to seal window gaps in winter