# Path toward manufacturable superconducting qubits with relaxation times exceeding 0.1 ms

@article{Verjauw2022PathTM, title={Path toward manufacturable superconducting qubits with relaxation times exceeding 0.1 ms}, author={Jeroen Verjauw and Rohith Acharya and Jacques Van Damme and Tsvetan Ivanov and Daniel Perez Lozano and Fahd A. Mohiyaddin and Danny Wan and Julien Jussot and A. M. Vadiraj and Massimo Mongillo and Marc M. Heyns and Iuliana P. Radu and Bogdan Govoreanu and A. Poto{\vc}nik}, journal={npj Quantum Information}, year={2022}, volume={8}, pages={1-7} }

As the superconducting qubit platform matures towards ever-larger scales in the race towards a practical quantum computer, limitations due to qubit inhomogeneity through lack of process control become apparent. To benefit from the advanced process control in industry-scale CMOS fabrication facilities, different processing methods will be required. In particular, the double-angle evaporation and lift-off techniques used for current, state-of-the-art superconducting qubits are generally…

## 14 Citations

### Electron charge qubits on solid neon with 0.1 millisecond coherence time

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Josephson superconducting qubits and parametric amplifiers are prominent examples of superconducting quantum circuits that have shown rapid progress in recent years. As such devices become more…

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Quantum circuits show unprecedented sensitivity to external fluctuations compared to their classical counterparts, and it can take as little as a single atomic defect somewhere in a mm-sized area…

### Material-Inherent Noise Sources in Quantum Information Architecture

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This review surveys noisy processes arising from materials upon which several quantum architectures have been constructed, and it summarizes leading research activities in searching for origins of noise and noise reduction methods to build advanced, large-scale quantum technologies in the near future.

### Optimization of shadow evaporation and oxidation for reproducible quantum Josephson junction circuits

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The most commonly used physical realization of superconducting qubits for quantum circuits is a transmon. There are a number of superconducting quantum circuits applications, where Josephson junction…

### Wafer-scale uniformity of Dolan-bridge and bridgeless Manhattan-style Josephson junctions for superconducting quantum processors

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We investigate die-level and wafer-scale uniformity of Dolan-bridge and bridgeless Manhattan Josephson junctions, using multiple substrates with and without through-silicon vias (TSVs). Dolan…

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