Merritt Losert

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I am a physicist studying automation and applied ML for semiconductor spin qubits. I am currently an NRC postdoc at NIST and UMD, advised by Justyna Zwolak. I got my PhD in 2024 from the University of Wisconsin-Madison, advised by Mark Friesen and Susan Coppersmith, where I worked on theories of alloy disorder, valley splitting, and spin shuttling in silicon spin qubits.

Check out my cv, publications, and google scholar.

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selected publications

  1. PRXQuantum
    Omnidirectional Shuttling to Avoid Valley Excitations in Si/SiGe Quantum Wells
    Róbert Németh, Vatsal K. Bandaru, Pedro Alves, and 7 more authors
    PRX Quantum, 2026
    DOI arXiv
  2. arXiv
    Automated electrostatic characterization of quantum dot devices in single- and bilayer heterostructures
    Merritt P. R. Losert, Dario Denora, Barnaby Straaten, and 6 more authors
    2025
    arXiv
  3. PRXQuantum
    Strategies for Enhancing Spin-Shuttling Fidelities in Si/SiGe Quantum Wells with Random-Alloy Disorder
    Merritt P. Losert*, Max Oberländer*, Julian D. Teske, and 5 more authors
    PRX Quantum, 2024
    DOI arXiv
  4. PRB
    Practical strategies for enhancing the valley splitting in Si/SiGe quantum wells
    Merritt P. Losert, M. A. Eriksson, Robert Joynt, and 4 more authors
    Phys. Rev. B, 2023
    DOI arXiv
  5. NatCommun
    Atomic fluctuations lifting the energy degeneracy in Si/SiGe quantum dots
    Brian Paquelet Wuetz*, Merritt P. Losert*, Sebastian Koelling*, and 16 more authors
    Nat. Commun., 2022
    DOI arXiv
  6. NatCommun
    SiGe quantum wells with oscillating Ge concentrations for quantum dot qubits
    Thomas McJunkin, Benjamin Harpt, Yi Feng, and 10 more authors
    Nat. Commun., 2022
    DOI arXiv