001048893 001__ 1048893
001048893 005__ 20251204213621.0
001048893 0247_ $$2doi$$a10.36227/techrxiv.176231736.66174866/v1
001048893 037__ $$aFZJ-2025-04994
001048893 1001_ $$0P:(DE-Juel1)186966$$aDuipmans, Lammert$$b0$$eCorresponding author
001048893 245__ $$aPulse Generation for Spin-Qubit Control Using Adiabatic Charging
001048893 260__ $$c2025
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001048893 520__ $$aThis 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.
001048893 536__ $$0G:(DE-HGF)POF4-5223$$a5223 - Quantum-Computer Control Systems and Cryoelectronics (POF4-522)$$cPOF4-522$$fPOF IV$$x0
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001048893 7001_ $$0P:(DE-Juel1)142562$$aWaasen, Stefan Van$$b1$$ufzj
001048893 7001_ $$0P:(DE-Juel1)169123$$aGeck, Lotte$$b2$$ufzj
001048893 773__ $$a10.36227/techrxiv.176231736.66174866/v1
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001048893 9201_ $$0I:(DE-Juel1)PGI-4-20110106$$kPGI-4$$lIntegrated Computing Architectures$$x0
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