All-optical nonreciprocity due to valley polarization pumping in transition metal dichalcogenides

Sriram Guddala; Yuma Kawaguchi; Filipp Komissarenko; Svetlana Kiriushechkina; Anton Vakulenko; Kai Chen; Andrea Alù; Vinod M. Menon; Alexander B. Khanikaev

doi:10.1038/s41467-021-24138-0

Nature Communications (Jun 2021)

All-optical nonreciprocity due to valley polarization pumping in transition metal dichalcogenides

Sriram Guddala,
Yuma Kawaguchi,
Filipp Komissarenko,
Svetlana Kiriushechkina,
Anton Vakulenko,
Kai Chen,
Andrea Alù,
Vinod M. Menon,
Alexander B. Khanikaev

Affiliations

Sriram Guddala: Department of Electrical Engineering, Grove School of Engineering, City College of the City University of New York
Yuma Kawaguchi: Department of Electrical Engineering, Grove School of Engineering, City College of the City University of New York
Filipp Komissarenko: Department of Electrical Engineering, Grove School of Engineering, City College of the City University of New York
Svetlana Kiriushechkina: Department of Electrical Engineering, Grove School of Engineering, City College of the City University of New York
Anton Vakulenko: Department of Electrical Engineering, Grove School of Engineering, City College of the City University of New York
Kai Chen: Department of Electrical Engineering, Grove School of Engineering, City College of the City University of New York
Andrea Alù: Department of Electrical Engineering, Grove School of Engineering, City College of the City University of New York
Vinod M. Menon: Physics Program, Graduate Center of the City University of New York
Alexander B. Khanikaev: Department of Electrical Engineering, Grove School of Engineering, City College of the City University of New York

DOI: https://doi.org/10.1038/s41467-021-24138-0
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 9

Abstract

Read online

Nonreciprocity is viewed as a useful feature for many future optical devices. Here, the authors observe all-optically-induced nonreciprocal dichroism in monolayer WS2, which is explained by valley-selective response.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

About the journal