Alexander Romanenko

Northwestern University — United States

Engineering · Physical Sciences

29h-index4.4kcitations263works2.82yr avg
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Research Topics

Particle accelerators and beam dynamics(108), Physics of Superconductivity and Magnetism(56), Superconducting Materials and Applications(51), Quantum and electron transport phenomena(45), Particle Accelerators and Free-Electron Lasers(38)

Publications256 total

Quantum Sensing Enhanced by Squeezing and Non-Hermitian Physics
2025Open Access
Quantifying Trapped Magnetic Vortex Losses in Niobium Resonators at mK Temperatures
2025Open Access
Oxygen Vacancies in Niobium Pentoxide as a Source of Two-Level System Losses in Superconducting Niobium
2025Open Access
Vortex-Controlled Quasiparticle Multiplication and Self-Growth Dynamics in Superconducting Resonators
arXiv (Cornell University)·2025Open Access
Coherence-Mediated Quantum Thermometry in a Hybrid Circuit-QED Architecture
arXiv (Cornell University)·2025Open Access
Quantifying trapped magnetic vortex losses in niobium resonators at mK temperatures
Applied Physics Letters·2025Open Access
Growth of Gradient-Doped YAG:Yb Single Crystals Using Horizontal Directional Crystallization with a Double Crucible
Crystal Growth & Design·2025
Improved Dark Photon Sensitivity from the Dark SRF Experiment
arXiv (Cornell University)·2025Open Access
Floquet-engineered fast snap gates in weakly coupled circuit-QED systems
Physical Review Applied·2025Open Access
Terahertz near-field imaging of sidewall-induced losses in superconducting qubits
Applied Physics Letters·2025Open Access
Disentangling the impact of quasiparticles and two-level systems on the statistics of superconducting-qubit lifetime
Physical Review Applied·2025· 1 cited
Quantum State Transfer between Heterogeneous 3D QPUs
2025
Discovery of Niobium Hydride Precipitates in Superconducting Qubits
ArXiv.org·2025Open Access
Analysis of RF Surface Loss in a Planar 2D Qubit
arXiv (Cornell University)·2025Open Access
Squeezing enhanced sensing at an exceptional point
arXiv (Cornell University)·2025Open Access
Optimizing superconducting Nb film cavities by mitigating medium-field <i>Q</i>-slope through annealing
Superconductor Science and Technology·2025· 1 citedOpen Access
Correlating Superconducting Qubit Performance Losses to Sidewall Near-Field Scattering via Terahertz Nanophotonics
arXiv (Cornell University)·2025Open Access
Ultracoherent superconducting cavity-based multiqudit platform with error-resilient control
arXiv (Cornell University)·2025Open Access
Demonstrating magnetic field robustness and reducing temporal T1 noise in transmon qubits through magnetic field engineering
arXiv (Cornell University)·2025Open Access
Signatures of enhanced superconducting properties in niobium cavities
Physical Review Applied·2025· 2 citedOpen Access
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Frequent Co-authors

Anna Grassellino(27), Oleksandr Melnychuk(13), Sam Posen(12), Mattia Checchin(11), Martina Martinello(9), D. A. Sergatskov(9), J. F. Zasadzinski(6), Akshay A. Murthy(5), Cameron Kopas(5), Matthew J. Reagor(5), L. D. Cooley(5), Yulia Trenikhina(4), Anthony C. Crawford(4), Jaeyel Lee(4), Jin‐Su Oh(4), Lin Zhou(4), Fedor L. Barkov(4), D. Frolov(4), Saravan Kumar Chandrasekaran(3), Sebastian Aderhold(3)