2D materials: Optoelectronics

Presentations

• Tuneable Optoelectronic Response In Flexible PtSe₂ Films

  Oral-In-person

  March 17, 2026, 3:30 PM – March 17, 2026, 3:42 PM

  Presenters

  • Martin Gerlei

    • University of the Bundeswehr Munich

  Authors

  • Martin Gerlei

    • University of the Bundeswehr Munich

  • George de Coster

  • Stefan Heiserer

  • János Papp

  • Simon Schlosser

  • Georg Duesberg

  • Paul Seifert

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• Optical Response of Excitons Interacting with Electronic Wigner Crystals in Two-Dimensional Materials

  Oral-In-person

  March 17, 2026, 3:42 PM – March 17, 2026, 3:54 PM

  Presenters

  • Yia-Chung Chang

    • Physics Department, National Cheng-Kung UNiversity

  Authors

  • Yia-Chung Chang

    • Physics Department, National Cheng-Kung UNiversity

  • Shiue-Yuan Shiau

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• Second Harmonic Hall Response in Insulators: Inter-band Quantum Geometry and Breakdown of Kleinman's Conjecture

  Oral-In-person · Withdrawn

  March 17, 2026, 3:54 PM – March 17, 2026, 4:06 PM

  Publication: arXiv:2411.07456

  Presenters

  • Wenyu He

    • ShanghaiTech University

  Authors

  • Wenyu He

    • ShanghaiTech University

  • Kam Tuen Law

    • The Hong Kong University of Science and Technology (HKUST)

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• Interlayer excitons with polarizability reveal gradual-to-abrupt crossover in Mott transition

  Oral-In-person

  March 17, 2026, 4:06 PM – March 17, 2026, 4:18 PM

  Presenters

  • Yusong Bai

    • Brown University

  Authors

  • Yusong Bai

    • Brown University

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• Photonic Control of the Ferroelectric State in van der Waals Compound CuInP₂S₆

  Oral-In-person

  March 17, 2026, 4:18 PM – March 17, 2026, 4:30 PM

  Presenters

  • Subhashree Chatterjee

    • Morgan State University

  Authors

  • Subhashree Chatterjee

    • Morgan State University

  • Rabindra Basnet

  • Rajeev Nepal

    • Morgan State University

  • Ramesh Budhani

    • Morgan State University

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• Enhanced IR photodetection via photogating in graphene FET heterostructures

  Oral-In-person

  March 17, 2026, 4:30 PM – March 17, 2026, 4:42 PM

  Presenters

  • Nusrat Jahan

    • Virginia Tech

  Authors

  • Nusrat Jahan

    • Virginia Tech

  • Kalani Ellepola

    • Virginia Tech

  • Tharindu Rajapaksha

    • Virginia Tech

  • James Li

    • Virginia Tech

  • Mason Whittington

  • Vinh Nguyen

    • Virginia Tech

  • Michael Cooney

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• Excitonic neuromorphic computing in vdW heterostructures

  Oral-In-person

  March 17, 2026, 4:42 PM – March 17, 2026, 4:54 PM

  Presenters

  • Sujeong Kim

    • Pohang Univ of Sci & Tech

  Authors

  • Sujeong Kim

    • Pohang Univ of Sci & Tech

  • Hyeongwoo Lee

    • Pohang University of Science and Technology (POSTECH)

  • Artem Abramov

  • Hyeong Chan Suh

  • Mun Seok Jeong

  • Vasily Kravtsov

  • Kyoung-Duck Park

    • Pohang Univ of Sci & Tech

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• Electrical switching of momentum-indirect quadrupolar excitons

  Oral-In-person

  March 17, 2026, 4:54 PM – March 17, 2026, 5:06 PM

  Presenters

  • Asmund Ottesen

    • EPFL

  Authors

  • Asmund Ottesen

    • EPFL

  • Shun Feng

  • Edoardo Lopriore

    • École Polytechnique Fédérale de Lausanne

  • Yaroslav Zhumagulov

  • Fedele Tagarelli

    • École Polytechnique Fédérale de Lausanne

  • Christian De Giorgio

  • Kenji Watanabe

    • National Institute for Materials Science

  • Takashi Taniguchi

    • National Institute for Materials Science

  • Oleg Yazyev

    • École Polytechnique Fédérale de Lausanne

  • Andras Kis

    • École Polytechnique Fédérale de Lausanne

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• Fröhlich-Type Polarons in isotopically enriched Hexagonal Boron Nitride

  Oral-In-person

  March 17, 2026, 5:06 PM – March 17, 2026, 5:18 PM

  Publication: A submitted manuscript

  Presenters

  • Ioannis Chatzakis

    • Texas Tech University

  Authors

  • Ioannis Chatzakis

    • Texas Tech University

  • Timur Abdilov

    • Texas Tech University

  • Elliot Walker

  • Jaime Freitas

  • James Edgar

  • Song Liu

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• Strain and field-tunable electronic and optical properties of van der Waals heterostructures

  Oral-In-person · Withdrawn

  March 17, 2026, 5:18 PM – March 17, 2026, 5:30 PM

  Presenters

  • Ramesh Paudel

    • University of Connecticut

  Authors

  • Ramesh Paudel

    • University of Connecticut

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• Broadband WS₂ Avalanche Photodetector via a Monolithic p-i-n Lateral Homojunction

  Oral-In-person

  March 17, 2026, 5:30 PM – March 17, 2026, 5:42 PM

  Presenters

  • Jehwan Park

    • Seoul National University

  Authors

  • Jehwan Park

    • Seoul National University

  • Jihyun Kim

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• Van der Waals light sources and photodetectors based on energy transfer between tunneling electrons and excitons

  Oral-In-person

  March 17, 2026, 5:42 PM – March 17, 2026, 5:54 PM

  Publication: [1] S. Papadopoulos, L. Wang, T. Taniguchi, K. Watanabe, and L. Novotny, arXiv 2209.11641 (2022).
  [2] L. Wang, S. Papadopoulos, F. Iyikanat, J. Zhang, J. Huang, K. Watanabe, T. Taniguchi, M. Calame, M. L. Perrin, F. J. G. de Abajo, and L. Novotny, Nat. Mater. 22, 1094 (2023).
  [3] S. Shan, J. Huang, S. Papadopoulos, R. Khelifa, T. Taniguchi, K. Watanabe, L. Wang, and L. Novotny, Nano Lett. 23, 10908 (2023)
  [4] J. D. Ziegler, S. Papadopoulos, A. J. Moilanen, M. M. Valenzuela, Q. Lin, K. Mosina, T. Taniguchi, K. Watanabe, Z. Sofer, F. Dirnberger, and L. Novotny, Science Advances accepted (2025)
  [5] Y. Koyaz, S. Papadopoulos, A. J. Moilanen, T. Taniguchi, K. Watanabe, L. Wang, and L. Novotny, ACS Photonics 2025, 12, 10, 5390–5398 (2025).

  Presenters

  • Sotirios Papadopoulos

    • IPCMS - CNRS

  Authors

  • Sotirios Papadopoulos

    • IPCMS - CNRS

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• Nanoscale Excitonic Landscape and Quantum Confinement in Gated Monolayer Semiconductors

  Oral-In-person

  March 17, 2026, 5:54 PM – March 17, 2026, 6:06 PM

  Presenters

  • Yueh-Chun Wu

    • Oak Ridge National Laboratory

  Authors

  • Yueh-Chun Wu

    • Oak Ridge National Laboratory

  • Bogdan Dryzhakov

  • Huan Zhao

    • Oak Ridge National Laboratory

  • Ivan Vlassiouk

  • Kyle Kelly

  • Takashi Taniguchi

    • National Institute for Materials Science

  • Kenji Watanabe

    • National Institute for Materials Science

  • Jun Yan

    • University of Massachusetts Amherst

  • Benjamin Lawrie

    • Oak Ridge National Laboratory

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