activity
20172026
most citedDemonstration of Universal Parametric Entangling Gates on a Multi-Qubit Lattice

296 citations · 735 across the 14 of their papers we have counts for

collaborators

15 papers

quant-ph2026

Localized Thermometry via Dayem Bridges Integrated on Superconducting Qubit Chips

Ella O. Lachman, Dave P. Pappas, Jayss Marshall +1

Accurate knowledge of the on-chip temperature is essential for understanding and optimizing the performance of superconducting qubits, yet direct thermometry at millikelvin tempera…

cond-mat.supr-con2026

Magneto-optical study of Nb thin films for superconducting qubits

Amlan Datta, Kamal R. Joshi, Sunil Ghimire +7

Among the recognized sources of decoherence in superconducting qubits, the spatial inhomogeneity of the superconducting state and the possible presence of magnetic-flux vortices re…

cond-mat.supr-con2026

Oxygen distribution and segregation at grain boundaries in Nb and Ta-encapsulated Nb thin films for superconducting qubits

Jaeyel Lee, Dieter Isheim, Zuhawn Sung +14

We report on atomic-scale analyses of oxygen distribution and segregation at grain boundaries (GBs) of Nb and Ta-encapsulated Nb (Ta/Nb) thin films for superconducting qubits using…

quant-ph2025

Identifying Materials-Level Sources of Performance Variation in Superconducting Transmon Qubits

Akshay A. Murthy, Mustafa Bal, Michael J. Bedzyk +46

The Superconducting Materials and Systems (SQMS) Center, a DOE National Quantum Information Science Research Center, has conducted a comprehensive and coordinated study using super…

cond-mat.mtrl-sci2024★ 20 cited

Formation and Microwave Losses of Hydrides in Superconducting Niobium Thin Films Resulting from Fluoride Chemical Processing

Carlos G. Torres-Castanedo, Dominic P. Goronzy, Thang Pham +18

Superconducting Nb thin films have recently attracted significant attention due to their utility for quantum information technologies. In the processing of Nb thin films, fluoride-…

cond-mat.supr-con2023★ 3 cited

Quasiparticle spectroscopy in technologically-relevant niobium using London penetration depth measurements

Sunil Ghimire, Kamal R. Joshi, Amlan Datta +10

London penetration depth was measured in niobium foils, thin films, single crystals, and superconducting radio-frequency (SRF) cavity pieces cut out from different places. The low-…