Rare Earth and Transition Metal Defects
FOCUS · MAR-P10 · ID: 3987580
Presentations
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Rare-earth emitters for quantum photonics
ORAL · 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
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Elizabeth A Goldschmidt
- University of Illinois at Urbana-Champaign
- University of Illinois Urbana-Champaign
Authors
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Elizabeth A Goldschmidt
- University of Illinois at Urbana-Champaign
- University of Illinois Urbana-Champaign
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Enhancing erbium optical emission rate via careful host crystal selection
ORAL
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Publication: Planned paper for submission in late 2025: "Enhancing erbium optical emission rate via careful host crystal selection"
Presenters
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Gregory D Grant
- University of Chicago
Authors
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Gregory D Grant
- University of Chicago
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Swarnabha Chattaraj
- University of Chicago
- Argonne National Laboratory
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Chelsie Hadley
- Western Illinois University
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Joseph Heremans
- University of Chicago
- Argonne National Laboratory
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David D Awschalom
- University of Chicago
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Jiefei Zhang
- Argonne National Laboratory
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Supratik Guha
- University of Chicago
- The University of Chicago
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4f - 4f transitions and interactions in Er-doped CeO2: an ab initio study
ORAL
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Presenters
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Yogendra Limbu
- University of Iowa
Authors
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Yogendra Limbu
- University of Iowa
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Durga Paudyal
- University of Iowa
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Michael E Flatté
- University of Iowa
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Integration of Er-doped crystalline thin film oxides with silicon nanocavities for quantum network applications
ORAL
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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.520843Presenters
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Claire E McDermott
- University of Chicago
Authors
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Claire E McDermott
- University of Chicago
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Gregory D Grant
- University of Chicago
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Ignas Masiulionis
- University of Chicago
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Sagar Kumar Seth
- University of Chicago
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Jiefei Zhang
- Argonne National Laboratory
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Alan Michael Dibos
- Argonne National Laboratory
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Supratik Guha
- University of Chicago
- The University of Chicago
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Coherent control and characterization of interacting Er<sup>3+</sup> ions
ORAL
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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
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Haitong Xu
- Princeton University
Authors
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Haitong Xu
- Princeton University
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Mehmet Tuna Uysal
- Princeton University
- Massachusetts Institute of Technology
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Lukasz Dusanowski
- Florida State University
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Adam Thomas Turflinger
- Princeton University
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Ashwin Kumar Boddeti
- Sandia National Laboratories
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Joseph Alexander
- Princeton University
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Jeff Douglas Thompson
- Princeton University
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Identifying Candidate Hosts for Er³⁺ Spin-Qubits with Long Coherence Time
ORAL
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Publication: [1] M. Onizhuk, and G. Galli. Advanced Theory and Simulations 2021: 4(11), 2100254.
Presenters
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Jonah Nagura
- University of Chicago
Authors
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Jonah Nagura
- University of Chicago
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Michael Toriyama
- Argonne National Laboratory
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Giulia Galli
- University of Chicago
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3D Atomic Reconstructions of Er:CeO<sub>2</sub> with Multislice Electron Ptychography
ORAL
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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-zPresenters
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Eleanor Alexandra Schnee
- University of Oregon
Authors
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Eleanor Alexandra Schnee
- University of Oregon
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Gregory D Grant
- University of Chicago
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Kayla X. Nguyen
- University of Oregon
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Jiefei Zhang
- Argonne National Laboratory
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Erbium complexes as optically addressable molecular spin qubits
ORAL
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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
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Grant T Smith
- University of Chicago
Authors
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Grant T Smith
- University of Chicago
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Leah R Weiss
- University of Chicago
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Ryan A Murphy
- University of California, Berkeley
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Bahman Golesorkhi
- University of California, Berkeley
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José A Méndez Méndez
- University of Chicago
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Priya Patel
- University of California, Berkeley
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Jens Niklas
- Argonne National Laboratory
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Oleg G Poluektov
- Argonne National Laboratory
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Jeffrey R Long
- University of California, Berkeley
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David D Awschalom
- University of Chicago
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High-resolution single nuclear spin spectroscopy using microwave photon counting
ORAL
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Presenters
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Zhiyuan Huang
- CEA Paris-Saclay
Authors
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Zhiyuan Huang
- CEA Paris-Saclay
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Jaime Travesedo
- CEA Saclay
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Emmanuel Flurin
- CEA-Saclay
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James O'Sullivan
- CEA Paris-Saclay
- CEA Saclay
- CEA Paris Saclay
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Patrice Bertet
- CEA Paris-Saclay
- CEA-Saclay
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Ab initio crystal field splitting of a molecular rare-earth qubit: Er(hfac)<sub>4</sub>
ORAL
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Presenters
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Yueguang Shi
- University of Iowa
Authors
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Yueguang Shi
- University of Iowa
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Yogendra Limbu
- University of Iowa
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Michael E Flatté
- University of Iowa
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Transition-metal-related quantum emitters in wurtzite AlN and GaN
ORAL
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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
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Chris G Van de Walle
- University of California, Santa Barbara
Authors
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Melissa R Lambert
- University of California, Santa Barbara
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Mark E Turiansky
- United States Naval Research Laboratory
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Kamil Czelej
- Warsaw University of Technology
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Chris G Van de Walle
- University of California, Santa Barbara
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First-principles study of point defect complexes in ZnO for deep-level spin qubits
ORAL
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Presenters
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Erik Alfredo Perez
- University of Wisconsin - Madison
Authors
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Erik Alfredo Perez
- University of Wisconsin - Madison
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Shimin Zhang
- University of Wisconsin - Madison
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Taejoon Park
- Sungkyunkwan University
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Sunman Cao
- University of Wisconsin - Madison
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Kai-Mei Camilla Fu
- University of Washington
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Hosung Seo
- Ajou University
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Yuan Ping
- University of Wisconsin Madison
- University of Wisconsin - Madison
- University of Wisconsin-Madison
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