5 papers
Flip-chip integrated superconducting qubits using electroplated bump bonds
Yen-An Shih, Rebecca Gharibaan, Barka Khan +9
Flip-chip integration offers a promising route toward scalable superconducting quantum processors and hybrid semiconductor-superconductor quantum devices. We develop a three-dimens…
Experimental Characterization and Modeling of Measurement-Induced State-Transitions in a Fluxonium Superconducting Qubit
Martijn F. S. Zwanenburg, Jinlun Hu, Eugene Y. Huang +3
Superconducting qubits are most often measured using dispersive readout, which, ideally, implements a projective quantum non-demolition (QND) measurement. While a larger readout dr…
Coherence limitations of a Fourier-engineered transmon qubit
Nataliia K. Zhurbina, Siddharth Singh, Lukas J. Splitthoff +4
Intrinsically protected superconducting qubits are a promising route toward enhancing coherence times and advancing hardware towards applications in quantum computing. The $\cos(2Ï…
Crosstalk in Multi-Qubit Fluxonium Architectures with Transmon Couplers
Martijn F. S. Zwanenburg, Christian Kraglund Andersen
In recent years, several architectures have been proposed for implementing two-qubit operations on fluxonium superconducting qubits. A particularly promising approach, which was de…
Novel qubits in hybrid semiconductor-superconductor nanostructures
Marta Pita-Vidal, Rubén Seoane Souto, Srijit Goswami +4
Hybrid semiconductor-superconductor qubits have recently emerged as a promising alternative to traditional platforms, combining material advantages with device-level tunability. A…