Cryo-CMOS Sub-1K 16nm FinFET DAC for Fast Two-Qubit Gates in Spin Qubits
Ilker Polat (TU Delft - QCD/Sebastiano Lab)
Ramon W.J. Overwater (TU Delft - QCD/Sebastiano Lab)
Bagas Prabowo (TU Delft - QCD/Babaie Lab)
Stefano Reale (TU Delft - QCD/Vandersypen Lab)
Davide Degli Esposti (TU Delft - QCD/Vandersypen Lab)
Kenji Capannelli (TU Delft - QCD/Vandersypen Lab)
Maximilian Rimbach-Russ (TU Delft - QCD/Rimbach-Russ)
Lieven M.K. Vandersypen (TU Delft - Applied Sciences, TU Delft - QCD/Vandersypen Lab)
Masoud Babaie (TU Delft - Electrical Engineering, Mathematics and Computer Science, TU Delft - QCD/Babaie Lab)
Fabio Sebastiano (TU Delft - QCD/Sebastiano Lab, TU Delft - Electrical Engineering, Mathematics and Computer Science)
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Abstract
This paper presents a cryo-CMOS DAC for driving two-qubit gates in semiconductor spin qubits. Thanks to a current-integrating coarse/fine architecture implemented in a 16-nm FinFET process, the proposed design generates adiabatic waveforms for very fast (<50 ns) high-fidelity operations, while operating at sub- 1 K temperatures with a small footprint (0.026 mm2) and low power (275 μ W), thus demonstrating its compatibility with qubit co-integration.
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File under embargo until 03-01-2027