26th Australian Institute of Physics Congress and the Australian and New Zealand Conference on Optics and Photonics

FPGA Control and Readout for Silicon Hole-Spin Qubit

Not scheduled

20m

Belinda Hutchinson Building (The University of Sydney )

Poster AIP | Quantum Science and Technology (QST)

Speaker

Itamar Oren (UNSW)

Description

Silicon hole-spin qubits are a promising platform for scalable quantum computing because of their compatibility with established semiconductor fabrication technologies and their potential for fast, electrically driven qubit control through strong spin-orbit interactions. However, these advantages come with increased sensitivity to charge noise, placing stringent requirements on the performance of the control and readout hardware. Meeting these requirements typically relies on sophisticated commercial instrumentation, with control electronics costing on the order of $1000 per qubit. The Quantum Instrumentation Control Kit (QICK), a cost effective open-source FPGA-based quantum control platform, has demonstrated high-frequency signal generation, precise timing and low-latency feedback in superconducting qubit systems, making it a promising candidate for silicon spin qubit experiments.
This research investigates the first use of the QICK for the control and readout of silicon hole-spin quantum devices. The work combines hardware validation, software development and experimental measurements using the QICK's open-source control system. Initial experiments have validated the platform's signal generation and acquisition capabilities and demonstrated its measurement functionality on devices in both room-temperature and cryogenic environments. These results establish the experimental framework required for more advanced device characterisation and spin qubit measurements.
Current work focuses on completing spin qubit control and readout experiments while continuing to develop the supporting software and measurement protocols required for semiconductor quantum devices. Ultimately, this research aims to demonstrate complete control and readout of silicon hole-spin qubits using the QICK. By extending this open-source quantum control platform to silicon hole-spin devices, the project seeks to provide a flexible, scalable and cost-effective alternative to commercial instrumentation, reducing barriers to experimental quantum computing research.