Weak and strong field control of valley polarization in WSe2 monolayer

Arqum Hashmi; Shunsuke Yamada; Atsushi Yamada; Kazuhiro Yabana; Tomohito Otobe

doi:10.1364/CLEO_QELS.2022.FF1A.2

Conference on Lasers and Electro-Optics
Technical Digest Series (Optica Publishing Group, 2022),
paper FF1A.2
•https://doi.org/10.1364/CLEO_QELS.2022.FF1A.2

Weak and strong field control of valley polarization in WSe₂ monolayer

Arqum Hashmi, Shunsuke Yamada, Atsushi Yamada, Kazuhiro Yabana, and Tomohito Otobe

CLEO: QELS_Fundamental Science 2022

San Jose, California United States
15–20 May 2022
ISBN: 978-1-957171-05-0

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Virtual: Thermodynamic Optics and Tailored Materials (FF1A)

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A. Hashmi, S. Yamada, A. Yamada, K. Yabana, and T. Otobe, "Weak and strong field control of valley polarization in WSe2 monolayer," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper FF1A.2.

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Abstract

We theoretically demonstrate the control of valley pseudospin in WSe₂ monolayer by single-cycle linearly polarized laser pulse. The asymmetric electric field controlled by the carrier-envelope phase is used to induce the valley polarization.

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