Publication date: 15th December 2025
The integration of 2D van der Waals (vdW) materials into superconducting circuits offers an exciting new approach to advancing quantum hardware. Their atomically clean interfaces, large and tunable kinetic inductance, and naturally layered heterostructures provide unique advantages for engineering low-loss Josephson elements, compact resonators, and scalable circuit architectures. These features open pathways to qubits with reduced footprint, suppressed parasitic coupling, and materials-level design flexibility that complements conventional thin-film quantum engineering.
In this talk, I will review recent progress in building superconducting qubits and circuit elements using vdW materials, outlining key design principles, fabrication challenges, and emerging opportunities. I will highlight our recent demonstration of all-vdW, merged-element transmon qubits that achieve high coherence (T1 up to 100 μs) while leveraging the intrinsic advantages of layered superconductors. I will conclude with a perspective on the route toward extensible, wafer-scale quantum circuits constructed entirely from vdW superconductors, and the prospects this approach offers for next-generation quantum computing and sensing technologies.
[1] Nature Nanotechnology 14,120-125 (2019)
[2] Nature Materials 21, 398–403(2022)
[3] Nature 638, 99-105 (2025)
[4] arXiv:2511.08466 (2025)
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