Excitons in Low-dimensional Materials
FOCUS · MAR-F23 · ID: 3999446
Presentations
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Novel optoelectronic phenomena in supertwisted electronic and photonic crystals
ORAL · Invited
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Publication: 1) Z. Ji, Y. Zhao, Y. Chen, Z. Zhu, Y. Wang, W. Liu, G. Modi, E. J. Mele, S. Jin and R. Agarwal, "Opto-twistronic Hall effect in a three-dimensional spiral lattice", Nature, 634, 69 (2024).
2) S. Xu, D. Wang, and R Agarwal, "General Framework for Twisted Bilayer Photonic Crystal with Interlayer Coupling and Far-Field Response", arXiv:2509.23952 (2025)Presenters
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RItesh Agarwal
- University of Pennsylvania
- UPenn
Authors
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RItesh Agarwal
- University of Pennsylvania
- UPenn
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Ballistic transport of excitons in van der Waals heterostructure
ORAL
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Presenters
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Will J Brunner
- University of California, San Diego
Authors
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Will J Brunner
- University of California, San Diego
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Zhiwen Zhou
- University of California, San Diego
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Erik Alexander Szwed
- University of California, San Diego
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Helin Henstridge
- University of California, San Diego
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Lewis Fowler-Gerace
- University of California, San Diego
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Leonid V Butov
- University of California, San Diego
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Direct probing of ultrafast interfacial charge carrier dynamics and photo-induced degradation at WS<sub>2</sub>/Au contacts by time domain THz emission spectroscopy
ORAL
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Presenters
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Claudia Gollner
- Stanford University
Authors
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Claudia Gollner
- Stanford University
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Chenyi Xia
- Stanford University
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Mohammad Taghinejad
- Stanford University
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Zhepeng Zhang
- Stanford University
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Fang Liu
- Stanford University
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Mark Brongersma
- Stanford Univ
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Andrew J Mannix
- Stanford University
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Tony F Heinz
- Stanford University
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Aaron M. Lindenberg
- Stanford University
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Electroluminescence in GaAs/AlGaAs single heterojunctions: 2D free exciton, H-band, and tidal effect
ORAL
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Publication: N. Sherlekar, S.R. Harrigan, L. Tian, B. Cunard, M.C. Tam, H.S. Kim, Z.R.
Wasilewski, J. Baugh, M. E. Reimer, F. Sfigakis. Electroluminescence in GaAs/AlGaAs
single heterointerfaces: 2D free exciton, H-band, and tidal effect, (In preparation).Presenters
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Stephen R Harrigan
- University of Waterloo
Authors
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Stephen R Harrigan
- University of Waterloo
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Nachiket Sherlekar
- University of Waterloo
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Lin Tian
- University of Waterloo
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Brady Cunard
- University of Waterloo
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Yuxuan Qi
- University of Waterloo
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Man Chun Alan Tam
- University of Waterloo
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Ho Sung Kim
- University of Waterloo
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Zbigniew Wasilewski
- University of Waterloo
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Jonathan D Baugh
- University of Waterloo
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Michael Reimer
- University of Waterloo
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Francois Sfigakis
- University of Waterloo
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Nanoscale mapping of valley polarization via chiral tip-enhanced photoluminescence
ORAL
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Presenters
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Jonggeun Hwang
- Pohang Univ of Sci & Tech
Authors
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Jonggeun Hwang
- Pohang Univ of Sci & Tech
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Yeonjeong Koo
- Pohang Univ of Sci & Tech
- Pohang University of Science and Technology (POSTECH)
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Kyoung-Duck Park
- Pohang University of Science and Technology (POSTECH)
- Pohang Univ of Sci & Tech
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Tuning Anisotropic Optical Responses in MXenes via Topochemical Surface Modification
ORAL
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Presenters
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Young-Hwan Kim
- University of Chicago
Authors
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Young-Hwan Kim
- University of Chicago
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Hui Fang
- University of Pennsylvania
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Zahra Fakhraai
- University of Pennsylvania
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Dmitri V Talapin
- University of Chicago
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Giant amplification of interlayer exciton flux enabled by extreme exciton localization
ORAL
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Presenters
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Hyeongwoo Lee
- Pohang University of Science and Technology (POSTECH)
Authors
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Hyeongwoo Lee
- Pohang University of Science and Technology (POSTECH)
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Taeyoung Moon
- POSTECH
- Pohang University of Science and Technology (POSTECH)
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Artem N Abramov
- ITMO University
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Ivan E Kalantaevskii
- ITMO University
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Huitae Joo
- Pohang University of Science and Technology
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Sujeong Kim
- Pohang University of Science and Technology (POSTECH)
- Pohang Univ of Sci & Tech
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Vasily Kravtsov
- ITMO University
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Kyoung-Duck Park
- Pohang University of Science and Technology (POSTECH)
- Pohang Univ of Sci & Tech
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Acoustic polarons generate quasiballistic photocurrent at room temperature
ORAL
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Presenters
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Yoonseo Nah
- Columbia University
Authors
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Yoonseo Nah
- Columbia University
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John Cenker
- University of Washington
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Jack Tulyag
- Columbia University
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Haowen Su
- Columbia University
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Jessica Yu
- Columbia University
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Xavier Roy
- Columbia University
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Milan Delor
- Columbia University
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Spectroscopic signals of excitons in monolayer MnBi<sub>2</sub>Te<sub>4</sub>
ORAL
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Presenters
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Khanh Duy Nguyen
- University of Chicago
Authors
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Khanh Duy Nguyen
- University of Chicago
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Gabriele Berruto
- University of Chicago
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Yunhe Bai
- University of Chicago
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Woojoo Lee
- University of Chicago
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Thomas Marchese
- The University of Chicago
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Shirley Meng
- The University of Chicago
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Shuolong Yang
- University of Chicago
- The University of Chicago
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Hyperbolic Phonon Polaritons in van der Waals magnet CrSBr
ORAL
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Presenters
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Yinming Shao
- Pennsylvania State University
Authors
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Shizhe Zhou
- Pennsylvania State University
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Lukas Wehmeier
- Brookhaven National Laboratory (BNL)
- NSLS II, Brookhaven National Laboratory
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Swagata Acharya
- National Renewable Energy Laboratory (NREL)
- National Laboratory of the Rockies
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Daniel George Chica
- Pennsylvania State University
- Columbia University
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Seng Huat Lee
- Pennsylvania State University
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Zhiqiang Mao
- The Pennsylvania State University
- Pennsylvania State University
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Dimitri Basov
- Columbia University
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Xavier Roy
- Columbia University
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Mark van Schilfgaarde
- National Renewable Energy Laboratory
- National Renewable Energy Laboratory (NREL)
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Binghai Yan
- The Pennsylvania State University
- Penn State University
- Weizmann Institute of Science
- Pennsylvania State University
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Mengkun Liu
- Stony Brook University (SUNY)
- Stony Brook University
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Yinming Shao
- Pennsylvania State University
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Electric-Field-Driven Trion Transport in Monolayer MoSe<sub>2</sub>
ORAL
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Presenters
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FNU Bobby
- University of Pittsburgh
Authors
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FNU Bobby
- University of Pittsburgh
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Opto-electronic Transport Measurements of Doubly Charged Excitonic Boson
ORAL
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Publication: [1] Wan, Qiaochu, et al. "Light-Induced Electron Pairing in a Bilayer Structure." arXiv preprint arXiv:2412.06941 (2024).
[2] Sun, Zheng, et al. "Charged bosons made of fermions in bilayer structures with strong metallic screening." Nano Letters 21.18 (2021): 7669-7675.Presenters
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Daniel Vaz
- University of Pittsburgh
Authors
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Daniel Vaz
- University of Pittsburgh
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