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DOE OSTI · 2556813

Floquet engineering with spatially nonuniform driving fields

Schindler, Stella T. [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Massachusetts Institute of Technology (MIT), Cambridge, MA (United States)]·Sheinfux, Hanan Herzig [Bar-Ilan University, Ramat Gan (Israel)]
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Abstract

In Floquet engineering, we apply a time-periodic modulation to change the effective behavior of a wave system. In this work, we generalize Floquet engineering to more fully exploit spatial degrees of freedom, expanding the scope of effective behaviors we can access. We develop a perturbative procedure to engineer space-time dependent driving forces that effectively transform broad classes of tight-binding systems into one another. We demonstrate several applications, including removing disorder, undoing Anderson localization, and enhancing localization to an extreme in spatially modulated waveguides. This procedure straightforwardly extends to other types of physical systems and different Floquet driving field implementations.

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BibTeXRIS

Schindler, Stella T. [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Massachusetts Institute of Technology (MIT), Cambridge, MA (United States)], Sheinfux, Hanan Herzig [Bar-Ilan University, Ramat Gan (Israel)]. 2025-04-01. Floquet engineering with spatially nonuniform driving fields. https://doi.org/10.1364/prj.545282

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