Publications

QCoR members regularly publish their research results in accredited journals. Below find a few highlights from our recent publications.

Preprints

R. K. L. Colmenar, Arthur Lin, Omadillo Abdurazakov et al.; Anisotropy reduction and tunability of hole-spin qubit g-factor in strained parabolic Ge/SiGe quantum wells. arXiv preprint, arXiv:2602.21287 (2026).

Longyu Ma, Tony Liu, Javad Shabani et al.; Anharmonicity and Charge-Noise Sensitivity of Fraunhofer Qubit. arXiv preprint, arXiv:2603.06830 (2026). 

Hao Tian, Shu-Yuan Chang, Nuha Akhtar et al.; Piezoelectric resonators in thin-film barium titanate from room temperature to millikelvin. arXiv preprint, arXiv:2606.18522 (2026). 

J.T. Dong, J.P. Thompson, R. Card et al.; Growth optimization of shallow Ge quantum wells grown by molecular beam epitaxy. arXiv preprint, arXiv:2606.31540 (2026).

Sunghyun Kim, Joyce E. Coppock, B. E. Kane; Microfabricated Au and Au/graphene bilayer platelets for levitation experiments. arXiv preprint, arXiv:2606.30591 (2026).

Joyce E. Coppock, Sunghyun Kim, B.E. Kane; Carbon encapsulation of levitated Au nanoparticles. arXiv preprint, arXiv:2606.30858 (2026).

B. E. Kane, Joyce Coppock, Sunghyun Kim et al.; Collection, characterization, and precision measurement of levitated charged nanoparticles. arXiv preprint, arXiv:2606.27478 (2026).

Yariv Yanay; Learning Better Error Correction Codes with Hybrid Quantum-Assisted Machine Learning. arXiv preprint, arXiv:2601.08014 (2026). 

U Güngördü, R Ruskov, S Hoffman et al.; Gate-dependent offset charge shifts and anharmonicity in gatemon qubits in the weak tunneling regime. arXiv preprint, arXiv:2604.24716 (2026).

Wan-Ting Liao, S. K. Dutta, R. E. Butera et al.; Multiple Andreev Reflection Effects in Asymmetric STM Josephson Junctions. arXiv preprint, arXiv:2601.09889 (2026).

Infiter Tathfif, Samuel G. Carter; Enhanced readout contrast of V2 ensembles in 4H-SiC through resonant optical excitation. arXiv preprint, arXiv:2512.02235 (2025).

Parameshwar R. Pasnoori, Ari Mizel, Patrick Azaria; Duality symmetry, zero energy modes and boundary spectrum of the sine-Gordon/massive Thirring model. arXiv preprint, arXiv:2503.14776 (2025).

Parameshwar R. Pasnoori, Patrick Azaria, Ari Mizel; Realizing a Symmetry Protected Topological Phase in a Superconducting Circuit. arXiv preprint, arXiv:2503.13406 (2025).

Matthew Brooks, Foster Sabatino, Charles Tahan et al.; Measurement-based Simulation of Geometric Gates in Topological Qubits on NISQ Devices. arXiv preprint, arXiv:2503.15392 (2025).

H. Wang, T. Banerjee, T.G. Farinha et al.; Impact of etches on thin-film single-crystal niobium resonators. arXiv preprint, arXiv:2402.18051 (2024).

Han Cai, Liuqi Yu, Waltraut Wustmann et al.; Detection of low-energy fluxons from engineered long Josephson junctions for efficient computing. arXiv preprint, arXiv:2406.15671 (2024).

Published

H. Wang, T. Banerjee, T. G. Farinha et al.; Q-disease in epitaxial thin film niobium resonators from HF acid exposure. J. Appl. Phys. 140, 124402 (2026).

Jonathan Marbey, Michael Dreyer, and Robert E. Butera; Implementation of radio frequency reflectometry in a home-built millikelvin scanning tunneling microscope. Rev. Sci. Instrum. 97, 083701 (2026). 

Joseph Falvo, Brooke Henry, Bernardo Langa Jr. et al.; An Evaluation of A15 Nb3Al Superconducting Thin Films For Application in Quantum Circuits. Advanced Quantum Technologies 9, no. 6 (2026).

J. P. Thompson, J. T. Dong, B. Langa et al.; Voltage-tunable Josephson junctions on germanium quantum wells with in situ aluminum contacts. J. Vac. Sci. Technol. B 44, 052203 (2026). 

Merritt P. R. Losert, Utkan Güngördü, S. N. Coppersmith et al.; Effects of alloy disorder on strongly driven flopping mode qubits in Si/SiGe. Phys. Rev. B 113, 235301 (2026). 

Shukai Liu, Arunav Bordoloi, Jacob Issokson et al.; Strongly anharmonic flux-tunable transmon based on InAs-Al 2D heterostructure. Nat Commun. 17, 740 (2026).

Samuel G. Carter, Infiter Tathfif, Charity Burgess et al.; The influence of nitrogen doping and annealing on the silicon vacancy in 4H-SiC. Phys Rev B 112, 085209 (2025).

Bernardo Langa, Brooke Henry, Ivan Lainez et al.; A study of superconducting behavior in ruthenium thin films. APL Mater. 1, 13, 061114 (2025).

Yi-Hsiang Huang, Haozhi Wang, Zhuo Shen et al.; Fabrication of metal air bridges for superconducting circuits using two-photon lithography. Appl. Phys. Lett. 127, 4, 044002 (2025).

Miguel Manzo-Perez, Moeid Jamalzadeh, Man Nguyen et al.; Physical patterning of high-Q superconducting niobium resonators via ion beam etching. Appl. Phys. Lett. 1, 127, 092601 (2025).

Y. -H. Huang, H. Wang, Y. Huang et al.; Charge Parity Rates in Transmon Qubits With Different Shunting Capacitors. IEEE Transactions on Applied Superconductivity 35, 1700506 (2025).

H. Cai, L. Yu, W. Wustmann, R. Clarke et al.; Detection of Low-Energy Fluxons From Discrete Long Josephson Junctions for Ballistic Computing. IEEE Transactions on Applied Superconductivity 35, 8, 1301910 (2025).

Utkan Güngördü, Rusko Ruskov, Silas Hoffman et al.; Quantum dynamics of semiconductor quantum dot Josephson junctions.  Phys. Rev. B 111, 214503 (2025).

Jacob Bringewatt, Zach Steffen, Martin A. Ritter et al.; Generalized geometric speed limits for quantum observables. APS Journals. 7, 033222 (2025). 

Ashish Alexander, Christopher G. Weddle, Christopher J. K. Richardson; Power and temperature dependent model for high Q superconductor resonators. APL Quantum 2, 3, 036102 (2025).

Foroozani, N., Sarabi, B., Moseley, S. H. et al.; Dual-resonator kinetic inductance detector for distinction between signal and 1/f frequency noise. Phys. Rev. Appl 21, 014009 (2024). 

Jimmy C. Kotsakidis, Gregory M. Stephen, Matthew DeJarld et al.; Charged Impurity Scattering and Electron–Electron Interactions in Large-Area Hydrogen Intercalated Bilayer Graphene. ACS Appl. Mater. Interfaces 16, 44, 61194–6120 (2024). 

Bernardo Langa, Deepak Sapkota, Ivan Lainez et al.; Solid-state reactions at niobium–germanium interfaces in hybrid quantum electronics. AIP Advances 1, 14, 095311 (2024). 

Matthew Brooks, Rex Lundgren, Charles Tahan; Phonon-induced exchange gate infidelities in semiconducting Si-SiGe spin qubits. Phys. Rev. B. 110, 235204 (2024).

Yariv Yanay, Brian Swingle, Charles Tahan; Detecting Measurement-Induced Entanglement Transitions with Unitary Mirror Circuits. Phys. Rev. Lett. 133, 070601 (2024). 

Rusko Ruskov, Charlas Tahan; Longitudinal (curvature) couplings of an N-level qudit to a superconducting resonator at the adiabatic limit and beyond. Phys. Rev. B 109, 24 (2024). 

H. Chi, Y. Ou, T.B. Eldred et al.; Strain-tunable Berry curvature in quasi-two-dimensional chromium telluride. Nat Commun 14, 3222 (2023). 

Z. Steffen, S. K. Dutta, Haozhi Wang et al.; Characterization of Asymmetric Gap-Engineered Josephson Junctions and 3D Transmon Qubits. IEEE Transactions on Applied Superconductivity 33, 5, 1700505 (2023). 

K. Li, S. K. Dutta, Z. Steffen et al.; Power-Law Scaling of Relaxation Time Fluctuations in Transmon Qubits IEEE Transactions on Applied Superconductivity 3, 5, 1700205 (2023). 

Yizhou Huang, Yi-Hsiang Huang, Haozhi Wang et al.; Identification and mitigation of conducting package losses for quantum superconducting devices. Appl. Phys. Lett. 24, 123, 4, 044001 (2023). 

Yariv Yanay, Charles Tahan; Low-Overhead Quantum Bus with Coupling Beyond the Nearest Neighbor via Mediated Effective Capacitance. Phys. Rev. B 20, 2, 024006 (2023).

Matthew Brooks, Charles Tahan; Quantum computation by spin-parity measurements with encoded spin qubits. Phys. Rev. B, 108, 3, 035206 (2023).