Rare Earth and Transition Metal Defects

FOCUS · MAR-P10 · ID: MAR-P10

Presentations

  • Invited-In-person · Invited

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    Publication: Barya, P., Prabhu, A., Heller, L., Chow, E., & Goldschmidt, E. A. (2025). Ultra High-Q tunable microring resonators enabled by slow light. arXiv:2504.19465.
    Pearson Jr, D. R., Prabhu, A., Tobar, S., D'Amelio, J., Tram, A., Riedel, Z. W., ... & Goldschmidt, E. A. (2025). Narrow optical linewidths in stoichiometric layered rare-earth crystals. Physical Review Letters, 134(23), 233603.

    Presenters

    • Elizabeth Goldschmidt

      • University of Illinois at Urbana-Champaign

    Authors

    • Elizabeth Goldschmidt

      • University of Illinois at Urbana-Champaign

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  • Oral-In-person

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    Publication: Planned paper for submission in late 2025: "Enhancing erbium optical emission rate via careful host crystal selection"

    Presenters

    • Gregory Grant

      • University of Chicago

    Authors

    • Gregory Grant

      • University of Chicago

    • Swarnabha Chattaraj

      • Argonne National Laboratory

    • Chelsie Hadley

      • Western Illinois University

    • Joseph Heremans

    • David Awschalom

      • University of Chicago

    • Jiefei Zhang

      • Argonne National Laboratory

    • Supratik Guha

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  • Oral-In-person

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    Publication: [1] G. D. Grant et al., "Optical and microstructural characterization of Er3+ doped epitaxial cerium oxide on silicon," APL Materials, vol. 12, no. 2, Feb. 2024. doi:10.1063/5.0181717
    [2] J. Zhang et al., "Optical and spin coherence of ER spin qubits in epitaxial cerium dioxide on silicon," npj Quantum Information, vol. 10, no. 1, Nov. 2024. doi:10.1038/s41534-024-00903-z
    [3] S. K. Seth et al., "Spin decoherence dynamics of Er3+ in CeO2 film," arXiv.2508.12429, Aug. 2025. doi:10.48550/arXiv.2508.12429
    [4] A. M. Dibos et al., "Purcell enhancement of erbium ions in TiO2 on silicon nanocavities," Nano Letters, vol. 22, no. 16, pp. 6530–6536, Aug. 2022. doi:10.1021/acs.nanolett.2c01561
    [5] C. Ji et al., "Nanocavity-mediated Purcell enhancement of ER in TiO2 thin films grown via atomic layer deposition," ACS Nano, vol. 18, no. 14, pp. 9929–9941, Mar. 2024. doi:10.1021/acsnano.3c09878
    [6]M. T. Solomon et al., "Anomalous Purcell decay of strongly driven inhomogeneous emitters coupled to a cavity," Optica Quantum, vol. 2, no. 3, p. 196, Jun. 2024. doi:10.1364/opticaq.520843

    Presenters

    • Claire McDermott

      • University of Chicago

    Authors

    • Claire McDermott

      • University of Chicago

    • Gregory Grant

      • University of Chicago

    • Ignas Masiulionis

      • University of Chicago

    • Sagar Kumar Seth

      • University of Chicago

    • Jiefei Zhang

      • Argonne National Laboratory

    • Alan Dibos

      • Argonne National Laboratory

    • Supratik Guha

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  • Oral-In-person

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    Publication: Haitong Xu, Mehmet T. Uysal, Lukasz Dusanowski, Adam Turflinger, Ashwin K. Boddeti, Joseph Alexander, and Jeff D. Thompson. Coherent control of interacting solid-state spins below the diffraction limit, arXiv:2508.09122 (2025).

    Presenters

    • Haitong Xu

      • Princeton University

    Authors

    • Haitong Xu

      • Princeton University

    • Mehmet Tuna Uysal

      • Princeton University

    • Lukasz Dusanowski

    • Adam Turflinger

      • Princeton University

    • Ashwin Boddeti

      • Purdue University

    • Joseph Alexander

    • Jeff Thompson

      • Princeton University

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  • Oral-In-person

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    Publication: [1] Z. Chen et al., "Electron ptychography achieves atomic-resolution limits set by lattice vibrations.", Science 372, 826 (2021), https://www.science.org/doi/pdf/10.1126/science.abg2533.
    [2] Zhang, J., Grant, G.D., Masiulionis, I. et al. Optical and spin coherence of Er spin qubits in epitaxial cerium dioxide on silicon. npj Quantum Inf 10, 119 (2024). https://doi.org/10.1038/s41534-024-00903-z

    Presenters

    • Eleanor Schnee

      • University of Oregon

    Authors

    • Eleanor Schnee

      • University of Oregon

    • Gregory Grant

      • University of Chicago

    • Kayla Nguyen

      • University of Oregon

    • Jiefei Zhang

      • Argonne National Laboratory

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  • Oral-In-person

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    Publication: L.R. Weiss*, G.T. Smith*, R.A. Murphy*, et al., A high-resolution molecular spin-photon interface at telecommunication wavelengths. Science 390,76-81(2025).

    Presenters

    • Grant Smith

      • University of Chicago

    Authors

    • Grant Smith

      • University of Chicago

    • Leah Weiss

      • University of Chicago

    • Ryan Murphy

    • Bahman Golesorkhi

    • José Méndez Méndez

    • Priya Patel

    • Jens Niklas

    • Oleg Poluektov

    • Jeffrey Long

    • David Awschalom

      • University of Chicago

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  • Oral-In-person

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    Publication: M. R. Zemła, K. Czelej, P. Kamińska, C. G. Van de Walle, and J. A. Majewski, Phys. Rev. B 102, 115102 (2020). [doi: 10.1103/PhysRevB.102.115102]

    Presenters

    • Chris Van de Walle

      • University of California, Santa Barbara

    Authors

    • Melissa Lambert

    • Mark Turiansky

      • United States Naval Research Laboratory

    • Kamil Czelej

    • Chris Van de Walle

      • University of California, Santa Barbara

    View abstract →