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20202026
most citedNew material platform for superconducting transmon qubits with coherence times exceeding 0.3 milliseconds

548 citations · 1.6k across the 32 of their papers we have counts for

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5 papers · 1 filter

quant-ph2026

Quantifying surface losses in superconducting aluminum microwave resonators

Elizabeth Hedrick, Faranak Bahrami, Alexander C. Pakpour-Tabrizi +11

The recent realization of millisecond-scale coherence with tantalum-on-silicon transmon qubits showed that depositing the Al/AlOx/Al Josephson junction in a high purity, ultrahigh…

quant-ph2026

Beta Tantalum Transmon Qubits with Quality Factors Approaching 10 Million

Atharv Joshi, Apoorv Jindal, Paal H. Prestegaard +9

Tantalum-based transmon qubits are a promising platform for building large-scale quantum processors. So far, these qubits have been made from tantalum films grown exclusively in th…

quant-ph2025

Superconducting Gap Engineering in Tantalum-Alloy-Based Resonators

Chen Yang, Faranak Bahrami, Guangming Cheng +7

Utilizing tantalum (Ta) in superconducting circuits has led to significant improvements, such as high qubit lifetimes and quality factors in both qubits and resonators, underscorin…

quant-ph2025★ 2 cited

2D transmons with lifetimes and coherence times exceeding 1 millisecond

Matthew P. Bland, Faranak Bahrami, Jeronimo G. C. Martinez +14

Materials improvements are a powerful approach to reducing loss and decoherence in superconducting qubits because such improvements can be readily translated to large scale process…

quant-ph2020★ 548 cited

New material platform for superconducting transmon qubits with coherence times exceeding 0.3 milliseconds

Alex P. M. Place, Lila V. H. Rodgers, Pranav Mundada +15

The superconducting transmon qubit is a leading platform for quantum computing and quantum science. Building large, useful quantum systems based on transmon qubits will require sig…