Computer-Aided Design for Quantum Technology Hardware

Currently available technology computer-aided design (TCAD) software has been optimized for the simulation of classical electronic devices. In contrast, application of such software to simulate quantum devices can lead to crude results. Consequently, at Nanoacademic Technologies Inc., we have developed QTCAD, a TCAD tool designed specifically to simulate quantum (spin-qubit) devices. QTCAD comes equipped with a non-linear Poisson solver that converges at cryogenic temperatures, a Schrödinger solver that calculates the envelope functions of electrons and holes, and a many-body solver that accounts for Coulomb interactions in few-electron quantum-dot systems. In addition, QTCAD possesses specialized modules, dedicated to simulating quantum effects (e.g., electric-dipole spin resonance, valley coupling, Coulomb blockade). During this webinar, we will give an overview of QTCAD, perform live demonstrations of some key features, and describe typical examples of use. We will conclude by presenting recent results obtained with QTCAD for a standard-process 28 nm STMicrolectronics ultra-thin body and buried oxide (UTBB) fully depleted silicon-on-insulator (FD-SOI) silicon quantum dot device.

Speaker info

Félix Beaudoin first obtained an M. Sc. in theoretical physics from Université de Sherbrooke under the supervision of Prof. Alexandre Blais, followed by a Ph.D. in theoretical physics from McGill University with Prof. William A. Coish. He then worked as a postdoctoral associate and university lecturer at Dartmouth College in the research group of Prof. Lorenza Viola, in close collaboration with the Quantum Information and Integrated Nanosystems Group led by Prof. William D. Oliver (Massachusetts Institute of Technology). He cumulates over 10 years of research experience in the field of quantum technology, with more than 10 scientific publications in peer-reviewed journals on quantum noise, quantum control, quantum metrology, and modeling of spin qubits and superconducting qubits alike. He joined Nanoacademic in 2019 as a Research Scientist and is now Director of Quantum Technology, managing the development of the QTCAD quantum modeling tool.

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