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Voltage-controlled moiré potentials, propagation and luminescence of indirect excitons in MoSe2/WSe2 heterostructure

https://doi.org/10.1364/CLEO_SI.2022.SM2G.3

Fowler-Gerace, L. H. ; Zhou, Zhiwen ; Choksy, D. J. ; Butov, L. V. ( January 2022 , 2022 Conference on Lasers and Electro-Optics (CLEO))

We present a new mechanism for exciton transport control based on tuning moiré potentials by voltage to enable delocalization, present long-range exciton propagation due to this mechanism, explore correlations between exciton luminescence and propagation properties.

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Fermi edge singularity in ultracold neutral electron-hole plasma

https://doi.org/10.1364/CLEO_QELS.2022.FM1A.3

Choksy, D. J. ; Szwed, E. A. ; Butov, L. V. ; Baldwin, K. W. ; Pfeiffer, L. N. ( January 2022 , 2022 Conference on Lasers and Electro-Optics (CLEO))

We studied electron-hole plasma in separated electron and hole layers. We observed a strong enhancement of photoluminescence intensity at the Fermi energy of the ultracold plasma that evidences the emergence of excitonic Fermi edge singularity.

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Voltage-controlled long-range propagation of indirect excitons in a van der Waals heterostructure

https://doi.org/10.1103/PhysRevB.104.165302

Fowler-Gerace, L. H. ; Choksy, D. J. ; Butov, L. V. ( October 2021 , Physical Review B)

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Attractive and repulsive dipolar interaction in bilayers of indirect excitons

https://doi.org/10.1103/PhysRevB.103.045126

Choksy, D. J. ; Xu, Chao ; Fogler, M. M. ; Butov, L. V. ; Norman, J. ; Gossard, A. C. ( January 2021 , Physical Review B)
null (Ed.)
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Dipolar interactions in bilayers of indirect excitons

https://doi.org/10.1364/CLEO_AT.2021.JTu3A.37

Choksy, D. J. ; Xu, Chao ; Fogler, M. M. ; Butov, L. V. ; Norman, J. ; Gossard, A. C. ( January 2021 , 2021 Conference on Lasers and Electro-Optics (CLEO),)
null (Ed.)
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Indirect Excitons and Trions in MoSe 2 /WSe 2 van der Waals Heterostructures

https://doi.org/10.1021/acs.nanolett.9b05086

Calman, E. V. ; Fowler-Gerace, L. H. ; Choksy, D. J. ; Butov, L. V. ; Nikonov, D. E. ; Young, I. A. ; Hu, S. ; Mishchenko, A. ; Geim, A. K. ( March 2020 , Nano Letters)

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