METHOD FOR ENCODING INFORMATION BY VALLEY POLARIZATION IN A MATERIAL
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United States of America
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Mar 13, 2025
app pub date -
Sep 8, 2023
filing date -
Sep 8, 2023
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Abstract
The present disclosure relates to a method for encoding information by valley polarization in a material using an electromagnetic field. The method comprises the steps of providing a material, and applying the electromagnetic field onto the material, wherein the electromagnetic field possesses an m-fold symmetry and the real-space lattice structure or real-space sub-lattice structure of the material possesses an n-fold symmetry, wherein the symmetry of the electromagnetic field corresponds to the symmetry of the real-space lattice structure or real-space sub-lattice structure of the material in such a way that n is an integer multiple of m, and wherein the electromagnetic field induces and/or manipulates valley polarization in the bandstructure of the material. The present disclosure further provides a device for generating an electromagnetic field suitable for inducing and/or manipulating valley polarization in a multilayer material.
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