Chiral Photonic Super‐Crystals Based on Helical van der Waals Homostructures

Author:

Voronin Kirill V.1ORCID,Toksumakov Adilet N.23,Ermolaev Georgy A.4,Slavich Aleksandr S.3,Tatmyshevskiy Mikhail K.3,Novikov Sergey M.3,Vyshnevyy Andrey A.34ORCID,Arsenin Aleksey V.45,Novoselov Kostya S.678,Ghazaryan Davit A.35ORCID,Volkov Valentyn S.45,Baranov Denis G.3ORCID

Affiliation:

1. Donostia International Physics Center (DIPC) Donostia San‐Sebastian Spain

2. Emanuel Institute of Biochemical Physics RAS Moscow 119334 Russia

3. Moscow Center for Advanced Studies Moscow 123592 Russia

4. Emerging Technologies Research Center XPANCEO Dubai Investment Park First Dubai UAE

5. Laboratory of Advanced Functional Materials Yerevan State University Yerevan 0025 Armenia

6. National Graphene Institute (NGI) University of Manchester Manchester M13 9PL UK

7. Department of Materials Science and Engineering National University of Singapore Singapore 03‐09 EA Singapore

8. Chongqing 2D Materials Institute Chongqing 400714 China

Abstract

AbstractChirality is one of the most mysterious symmetry transformations. Very readily broken in biological systems, it is practically absent in naturally occurring inorganic materials and is very challenging to create artificially. Chiral optical wavefronts are often used for the identification, control, and discrimination of left‐ and right‐handed biological and other molecules. Thus, it is crucially important to create materials capable of chiral interaction with light, which would allow one to assign arbitrary chiral properties to a light field. This study utilizes van der Waals technology to assemble helical homostructures with chiral properties (e.g., circular dichroism). Because of the large range of van der Waals materials available, such helical homostructures can be assigned with very flexible optical properties. The approach is demonstrated by creating helical homostructures based on multilayer (arsenic trisulfide), which offers the most pronounced chiral properties even in thin structures due to its strong biaxial optically anisotropy. The work showcases that the chirality of an electromagnetic system may emerge at an intermediate level between the molecular and the mesoscopic one due to the tailored arrangement of non‐chiral layers of van der Waals crystals and without additional patterning.

Funder

Russian Science Foundation

Ministry of Science and Higher Education of the Russian Federation

Ministry of Education - Singapore

Royal Society

Basis Foundation

Publisher

Wiley

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