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| 001 | 1048893 | ||
| 005 | 20251204213621.0 | ||
| 024 | 7 | _ | |a 10.36227/techrxiv.176231736.66174866/v1 |2 doi |
| 037 | _ | _ | |a FZJ-2025-04994 |
| 100 | 1 | _ | |a Duipmans, Lammert |0 P:(DE-Juel1)186966 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Pulse Generation for Spin-Qubit Control Using Adiabatic Charging |
| 260 | _ | _ | |c 2025 |
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| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
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| 520 | _ | _ | |a This brief presents a power-efficient approach for generating control pulses for semiconductor spin qubits that combines the flexibility of room-temperature electronics with the scalability of cryogenic electronics. By demultiplexing ramp pulses generated at room temperature, capacitive loads are charged adiabatically, greatly reducing power dissipation. The method is demonstrated using a cryogenic circuit in a 22 nm CMOS technology, designed to generate control pulses for shuttling semiconductor electron spins. Post-layout simulations show that the circuit achieves analog power dissipation more than two orders of magnitude lower than the state of the art at frequencies up to 1 MHz, more than one order of magnitude lower at 10 MHz, and maintains superior efficiency up to several hundred MHz. Furthermore, only two external AC inputs are required to generate a wide range of pulse patterns with tunable amplitudes across multiple outputs. These results demonstrate the potential of the approach for large-scale quantum processor architectures. |
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| 700 | 1 | _ | |a Waasen, Stefan Van |0 P:(DE-Juel1)142562 |b 1 |u fzj |
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