Coherent momentum control of forbidden excitons

Xuezhi Ma; Kaushik Kudtarkar; Yixin Chen; Preston Cunha; Yuan Ma; Kenji Watanabe; Takashi Taniguchi; Xiaofeng Qian; M. Cynthia Hipwell; Zi Jing Wong; Shoufeng Lan

doi:10.1038/s41467-022-34740-5

Nature Communications (Nov 2022)

Coherent momentum control of forbidden excitons

Xuezhi Ma,
Kaushik Kudtarkar,
Yixin Chen,
Preston Cunha,
Yuan Ma,
Kenji Watanabe,
Takashi Taniguchi,
Xiaofeng Qian,
M. Cynthia Hipwell,
Zi Jing Wong,
Shoufeng Lan

Affiliations

Xuezhi Ma: Department of Mechanical Engineering, Texas A&M University
Kaushik Kudtarkar: Department of Mechanical Engineering, Texas A&M University
Yixin Chen: Department of Aerospace Engineering, Texas A&M University
Preston Cunha: Department of Mechanical Engineering, Texas A&M University
Yuan Ma: Department of Mechanical Engineering, Texas A&M University
Kenji Watanabe: Research Center for Functional Materials, National Institute for Materials Science
Takashi Taniguchi: International Center for Materials Nanoarchitectonics, National Institute for Materials Science
Xiaofeng Qian: Department of Materials Science and Engineering, Texas A&M University
M. Cynthia Hipwell: Department of Mechanical Engineering, Texas A&M University
Zi Jing Wong: Department of Aerospace Engineering, Texas A&M University
Shoufeng Lan: Department of Mechanical Engineering, Texas A&M University

DOI: https://doi.org/10.1038/s41467-022-34740-5
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 9

Abstract

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Here, the authors integrate a photonic crystal, supporting photonic bound states in the continuum (BICs), with monolayer WSe2, and leverage the high energy confinement of the BIC modes to demonstrate coherent directional dark exciton emission.

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/

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