Compact frequency multiplexed readout of silicon quantum dots in monolithic FDSOI 28nm technology
Résumé
This paper demonstrates the first on-chip frequency multiplexed readout of two co-integrated single-electron transistors without the need for bulky resonators. We characterize single electron dynamics in both single electron transistors at 4.2K before validating their simultaneous readout within 2.2μ s, achieving a 99.9% fidelity with a 1MHz frequency spacing. This experimental demonstration paves the way towards resonator-free large-scale quantum-classical architectures that would be required for future universal and reprogrammable quantum computers.
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Requiert cea-04563150 Objet présenté à une conférence Quentin Schmidt, Brian Martinez, Thomas Houriez, Baptiste Jadot, Aloysius Jansen, et al.. A 7.4μW and 860μm² per channel cryo-CMOS IC for 70-channel frequency-multiplexed μs-readout of semiconductor qubits. Custom Integrated Circuit Conference 2024, IEEE, Apr 2024, Denver CO, United States. pp.11-6, ⟨10.1109/CICC60959.2024.10529081⟩. ⟨cea-04563150⟩