Single-Electron-Transistor Compact Model for Spin-Qubit Readout

Single-Electron-Transistor Compact Model for Spin-Qubit Readout

Van Rijs, Samantha (Student TU Delft)
Ercan, İlke (TU Delft Electrical Engineering Education)
Vladimirescu, A. (University of California Berkeley)
Sebastiano, F. (TU Delft Quantum Circuit Architectures and Technology)

2023

Quantum computers process information stored in quantum bits (qubits), which must be controlled and read out by a traditional electronic interface. Co-designing and cooptimizing such a quantum-classical complex system requires efficient simulators to emulate the qubits and their interaction with classical electronics. For spin-qubit readout, a single electron transistor (SET) is often employed. To build a toolset that can co-simulate the spin qubit system with the classical control and readout interface, a compact and efficient SET model is needed. This paper presents a new compact empirical SET model based on state-of-the-art SET measurement and extracted by a custom function-fitting python program. Within the target source-drain voltage range of ±1000μV , the model is accurate for circuit (SPICE) simulation. Furthermore, the empirical model is represented by a set of equations that enables instantaneous output response requiring a negligible simulation time. With this new SET model, a quantum-electronics co-simulator such as SPINE can now be enhanced to simulate the readout in addition to the control circuits of spin qubits, thus enabling the design of the complete integrated circuit (IC) required for large-scale quantum computers.

Macro-model
nanoelectronics
quantum dots
quantum electronics
readout
SET
spin qubit

http://resolver.tudelft.nl/uuid:90876f0a-1cab-4ec7-9834-3ef5b65bd091

https://doi.org/10.1109/SMACD58065.2023.10192251

IEEE

2024-01-31

979-8-3503-3284-1

Proceedings of the 2023 19th International Conference on Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuit Design, SMACD 2023

19th International Conference on Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuit Design, SMACD 2023, 2023-07-03 → 2023-07-05, Funchal, Portugal

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Institutional Repository

conference paper

© 2023 Samantha Van Rijs, İlke Ercan, A. Vladimirescu, F. Sebastiano