MSc thesis project proposal

RF Characterization and Modeling of Varactors and MOS Transistors at 4K for Quantum Computing Applications

Solid-state circuits operating at cryogenic temperatures have been used for several applications. In quantum computing applications, as the number of qubits starts growing, it becomes infeasible to fit the cables between cryogenic quantum bits (qubits) and room-temperature control electronics into a standard cryogenic refrigerator. Thus, we advocate the integration of qubits and control electronics inside the refrigerator [2]. Complementary Metal Oxide Semiconductor (CMOS) circuits operating at cryogenic temperatures (Cryo-CMOS) have been proposed for the implementation of a scalable control and readout interface of cryogenic quantum processors. The design of solid-state electronics at cryogenic temperatures has triggered the need for characterization of active and passive components as required to reliably predict the performance of cryogenic radio-frequency integrated circuits. This project aims to characterize and model varactors and MOS transistors at 4K for quantum computing applications.

Contact

dr. Masoud Babaie

Electronic Circuits and Architectures Group

Department of Microelectronics

Last modified: 2022-03-11