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Optical Spectroscopic Measurements of 2D Materials III

ORAL · D34 · ID: 1114272

Presentations

  • Substrate-induced effects on the dynamics of quantum light emitters in 2D semiconductors

    ORAL

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    Presenters

    • Matthew Strasbourg

      Montana State University

    Authors

    • Matthew Strasbourg

      Montana State University

    • Emanuil S Yanev

      Columbia University

    • Sheikh Parvez

      Montana State University

    • Thomas P Darlington

      Columbia University

    • P J Schuck

      Columbia University, Department of Mechanical Engineering, Columbia University, New York, NY, USA

    • James C Hone

      Columbia University

    • Nicholas Borys

      Lawrence Berkeley National Laboratory, Montana State University, FIAP

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  • Tailoring Optoelectronic Properties of 2D Perovskites through Molecular Engineering

    ORAL

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    Publication: [1] Y. Lekina and Z. X. Shen, Excitonic States and Structural Stability in Two-Dimensional Hybrid Organic-Inorganic Perovskites, J. Sci. Adv. Mater. Devices 2, 189 (2019).<br>[2] Y. Lekina, B. Febriansyah, X. Fan, L. You, S. Morris, J. Wang, J. England, X. Huang, J. Yan, and Z. X. Shen, Strong Optical, Electrical, and Raman in-Plane Anisotropy in Corrugated Two-Dimensional Perovskite, J. Phys. Chem. C (2021).<br>[3] Y. Lekina, S. S. H. Dintakurti, B. Febriansyah, D. J. Bradley, X. Yan, JiaxuShi, J. England, T. White, J. V. Hanna, and Z. X. Shen, The Effect of Organic Cation Dynamics on the Optical Properties in (PEA)2(MA)[Pb2I7] Perovskite Dimorphs, J. Mater. Chem. C (2021).<br>[4] Yulia Lekina, David Bradley, Jagjit Kaur, Sudip Chakraborty, Han Sen Soo, John Hanna, Ze Xiang Shen, Conformational Disorder in Hybrid 2D Perovskite with a Long Aliphatic Chain under Pressure (under preparation)

    Presenters

    • Yulia Lekina

      Nanyang Technological University

    Authors

    • Yulia Lekina

      Nanyang Technological University

    • Benny Febriansyah

      National University of Singapore

    • Ksenia Chaykun

      Nanyang Technological University

    • Brandon Ong

      Nanyang Technological University

    • John Hanna

      University of Warwick

    • zexiang shen

      Nanyang Technological University

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  • Terahertz spectroscopy of transition-metal dichalcogenide monolayer lasers

    ORAL

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    Publication: M. Spotnitz, N. Kwong, and R. Binder, Phys. Rev. B 104, 115305 (2021).<br>M. Spotnitz, N. Kwong, and R. Binder, Collective fluctuation modes induced by terahertz radiation in a polariton laser (in review).<br>M. Spotnitz, N. Kwong, and R. Binder, Terahertz spectroscopy of transition-metal dichalcogenide monolayer lasers (in preparation for publication).

    Presenters

    • Matthew E Spotnitz

      The University of Arizona & Sandia National Laboratories

    Authors

    • Matthew E Spotnitz

      The University of Arizona & Sandia National Laboratories

    • Nai-Hang Kwong

      The University of Arizona

    • Rolf Binder

      The University of Arizona

    View abstract →

  • Monolithic h-BN waveguides: a simple tool for spectroscopic measurements of out-of-plane properties in 2D materials

    ORAL

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    Presenters

    • Samuel W LaGasse

      US Naval Research Laboratory, United State Naval Research Laboratory

    Authors

    • Samuel W LaGasse

      US Naval Research Laboratory, United State Naval Research Laboratory

    • Jose J Fonseca Vega

      US Naval Research Laboratory

    • Cory D Cress

      US Naval Research Laboratory

    • Jeremy T Robinson

      US Naval Research Laboratory, Navy Research Lab

    • Nicholas V Proscia

      United States Naval Research Laboratory, US Naval Research Laboratory, Naval Research Laboratory

    • Paul D Cunningham

      United States Naval Research Laboratory, US Naval Research Laboratory

    • James C Culbertson

      United States Naval Research Laboratory

    • Samuel W LaGasse

      US Naval Research Laboratory, United State Naval Research Laboratory

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  • Quantum interference between band-edge and high-lying excitons comprising negative-mass electrons

    ORAL

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    Publication: K. Q. Lin, S. Bange, J. M. Lupton et al.<br>"High-lying interlayer excitons and trions in natural-bilayer WSe2"<br>submitted<br><br>Kai-Qiang Lin, Jonas Zigler, Marina Semina, Javid Mamedov, Kenji Watanabe, Takashi Taniguchi, Sebastian Bange, Alexey Chernikov, Mikhail Glazov, and John Lupton<br>"UV-emissive valley-polarized trions in 2D semiconductors"<br>Nature Comm. (in press)<br><br>J. Bauer, L. Chen, P. Wilhelm, K. Watanabe, T. Taniguchi, S. Bange, J. M. Lupton, and K.-Q. Lin<br>"Excitonic resonances control the temporal dynamics of nonlinear optical wave mixing in monolayer semiconductors"<br>Nature Phot. (in press) <br><br>K.-Q. Lin, J. Holler, J. M. Bauer, P. Parzefall, M. Scheuck, B.Peng, T. Korn, S. Bange, J. M. Lupton, and C. Schüller<br>"Large-Scale Mapping of Moiré Superlattices by Hyperspectral Raman Imaging"<br>Adv. Mater. 33, 217067 (2021)<br><br>R. P. Puchert, F. J. Hofmann, H. S. Angerer, J. Vogelsang, S. Bange, and J. M. Lupton<br>"Linearly Polarized Electroluminescence from MoS2 Monolayers Deposited on Metal Nanoparticles: Towards Tuneable Room-Temperature Single-Photon Sources"<br>Small 17, 2006425 (2021)<br><br>K.-Q. Lin, C. S. Ong, S. Bange, P. E. Faria Junior, B. Peng, J. D. Ziegler, J. Zipfel, C. Bäuml, N. Paradiso, K. Watanabe, T. Taniguchi, C. Strunk, B. Monserrat, J. Fabian, A. Chernikov, D. Y. Qiu, S. G. Louie, and J. M. Lupton<br>"Narrow-band high-lying excitons with negative-mass electrons in monolayer WSe2"<br>Nature Comm. 12, 5500 (2021)<br><br>K.-Q. Lin, P. E. Faria Junior, J. M. Bauer, B. Peng, B. Monserrat, M. Gmitra, J. Fabian, S. Bange, and J. M. Lupton<br>"Twist-angle engineering of excitonic quantum interference and optical nonlinearities in stacked 2D semiconductors"<br>Nature Comm. 12, 1553 (2021)<br><br>P. Merkl, F. Mooshammer, S. Brem, A. Girnghuber, K.-Q. Lin, L. Weigl, M. Liebich, C.-K. Yong, R. Gillen, J. Maultzsch, J. M. Lupton, E. Malic, and R. Huber<br>"Twist-tailoring Coulomb correlations in van der Waals homobilayers"<br>Nature Comm. 11, 2167 (2020)<br><br>K.-Q. Lin, R. Martin, S. Bange, and J. M. Lupton<br>"Polymer coatings tune electromagnetically induced transparency in two-dimensional semiconductors"<br>ACS Photonics 6, 3115 (2019)<br><br>P. Merkl, F. Mooshammer, P. Steinleitner, A. Girnghuber, K.-Q- Lin, P. Nagler, J. Holler, C. Schüller, J. M. Lupton, T. Korn, S. Ovesen, S. Brem, E. Malic and R. Huber<br>"Ultrafast transition between exciton phases in van der Waals heterostructures"<br>Nature Mat. 18, 691 (2019)<br><br>K.-Q. Lin, S. Bange, and J. M. Lupton<br>"Quantum interference in second-harmonic generation from monolayer WSe2"<br>Nature Phys. 15, 242 (2019) <br><br>R. P. Puchert, F. Steiner, G. Plechinger, F. Hofmann, I. Caspers, J. Kirschner, P. Nagler, A. Chernikov, C. Schüller, T. Korn, J. Vogelsang, S. Bange, and J. M. Lupton<br>"Spectral focusing of broadband silver electroluminescence in nanoscopic FRET-LEDs"<br>Nature Nano. 12, 637 (2017)

    Presenters

    • John Lupton

      Universitaet Regensburg

    Authors

    • John Lupton

      Universitaet Regensburg

    • Kaiqiang Lin

      Universitaet Regensburg

    • Sebastian Bange

      Universitaet Regensburg

    View abstract →

  • Phase-matching-free intracavity second harmonic generation from a WSe<sub>2</sub> monolayer in a passively mode-locked picosecond fiber laser

    ORAL

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    Publication: 1. M. Kilinc, A. Cheney, C. Neureuter, S. Tarasek, G. Xu, and T. Thomay, "Intracavity second harmonic generation from a WSe2 monolayer in a passively mode-locked picosecond fiber laser," Opt. Mater. Express 11, 1603–1613 (2021).

    Presenters

    • Guangpeng Xu

      University at Buffalo, SUNY

    Authors

    • Guangpeng Xu

      University at Buffalo, SUNY

    • Jeffrey Carvalho

      University at Buffalo, SUNY

    • Chiran Wijesundara

      University at Buffalo, SUNY

    • Muhammed Kilinc

      University at Buffalo, SUNY

    • Alec Cheney

      University at Buffalo, SUNY

    • Christian Neureuter

      University at Buffalo, SUNY

    • Steven Tarasek

      University at Buffalo, SUNY

    • Tim Thomay

      University at Buffalo, SUNY

    View abstract →

  • Interlayer exciton flow in hBN separated MoSe<sub>2</sub>/WSe<sub>2</sub> heterostructures

    ORAL

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    Presenters

    • Fateme Mahdikhanysarvejahany

      University of Arizona

    Authors

    • Fateme Mahdikhanysarvejahany

      University of Arizona

    • Daniel N Shanks

      University of Arizona

    • Trevor Stanfill

      University of Arizona

    • Michael Koehler

      University of Tennessee, University of Tennessee, Knoxville

    • David G Mandrus

      University of Tennessee, Oak Ridge National Laboratory

    • Takashi Taniguchi

      National Institute for Materials Science, Kyoto Univ, International Center for Materials Nanoarchitectonics, National Institute of Materials Science, Kyoto University, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-044, Japan, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, National Institute for Materials Science, Japan, National Institute For Materials Science, NIMS, National Institute for Material Science, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, Tsukuba, Japan, NIMS Japan

    • Kenji Watanabe

      National Institute for Materials Science, Research Center for Functional Materials, National Institute of Materials Science, Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-044, Japan, NIMS, Research Center for Functional Materials, National Institute for Materials Science, National Institute for Materials Science, Japan, Research Center for Functional Materials, National Institute for Materials Science, Tsukuba, Japan, NIMS Japan

    • Brian J LeRoy

      University of Arizona

    • John R. Schaibley

      University of Arizona

    View abstract →

  • Optically probing the sliding ferroelectricity in 3R-MoS<sub>2</sub> bilayer

    ORAL

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    Publication: 1. Wang, Xirui, et al. "Interfacial ferroelectricity in rhombohedral-stacked bilayer transition metal dichalcogenides." Nature Nanotechnology 17.4 (2022): 367-371.<br>2. Yang, Dongyang, et al. "Spontaneous-polarization-induced photovoltaic effect in rhombohedrally stacked MoS2." Nature Photonics 16.6 (2022): 469-474<br>3.Liang, Jing, et al. "Optically Probing the Asymmetric Interlayer Coupling in Rhombohedral-Stacked MoS 2 Bilayer." Physical Review X 12.4 (2022): 041005.

    Presenters

    • Dongyang Yang

      University of British Columbia, University of British Coloumbia

    Authors

    • Dongyang Yang

      University of British Columbia, University of British Coloumbia

    • Jing Liang

      The University of British Columbia, University of British Columbia

    • Jingda Wu

      University of British Columbia

    • Yunhuan Xiao

      University of British Columbia

    • Jerry I Dadap

      University of British Columbia

    • Ziliang Ye

      University of British Columbia

    View abstract →

  • Lithographic Damage to Two Dimensional Materials Probed by Photoluminescence and Raman Spectroscopy

    ORAL

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    Presenters

    • Katie Neilson

      Stanford University

    Authors

    • Katie Neilson

      Stanford University

    • Monique Tie

      Stanford University

    • Jung-Soo Ko

      Stanford University

    • Marc Jaikissoon

      Stanford University

    • Jerry A Yang

      Stanford University

    • Rui Chen

      University of Washington

    • Arka Majumdar

      University of Washington, Electrical and Computer Engineering; Physics; University of Washington, Seattle

    • Krishna Saraswat

      Stanford University

    • Tony F Heinz

      Stanford University, SLAC National Accelerator Laboratory

    • Eric pop

      Stanford Univ, Stanford University, USA, Stanford University, Electrical Engineering, Stanford University

    View abstract →