IEM Distinguished Lecturers Seminar: Cryo-CMOS electrical interfaces for large-scale quantum computers
Event details
| Date | 12.05.2023 |
| Hour | 13:15 › 14:00 |
| Speaker |
Prof Fabio Sebastiano, Delft University of Technology, Delft, The Netherlands |
| Location | Online |
| Category | Conferences - Seminars |
| Event Language | English |
The seminar will take place in the main auditorium in Neuchâtel Campus (MC A1 272) and will be simultaneously broadcasted in ELA 2.
Coffee and cookies will be served at 13:00 before the seminar, in front of the two auditoriums.
Abstract
Quantum computers promise to ignite the next technological revolution as the classical computer did for last century’s digital revolution by efficiently solving problems that are intractable by today’s computers. By enabling the efficient simulation of quantum systems, quantum computing will allow both the optimization of existing industrial processes and the synthesis of new drugs and materials, thus representing an unprecedented game changer with the potential to disrupt entire industries, create new ones, and radically change our lives.
Quantum computers rely on processing the information stored in quantum bits (qubits). Although such qubits typically require cryogenic operation, today’s quantum processors are mainly controlled by conventional electronics at room temperature. A few wires can readily bridge this thermal gap since today’s quantum computers employ only a few qubits. However, practical quantum computers addressing relevant problems will require more than thousands of qubits, making this approach impractical. A more scalable approach consists in operating a complex electronic interface at cryogenic temperature, very close to the quantum processor, eventually in the same package or even on the same chip. By exploiting the advances in performance and integration offered by the semiconductor industry, CMOS operating at cryogenic temperature (cryo-CMOS) is the most viable technology for such a cryogenic interface.
In this talk, we will quickly review the basics of quantum computation and briefly overview state-of-the-art quantum computers and the open challenges towards a practical computing device. After showing the behavior of CMOS devices at cryogenic temperature, we will go over several cryo-CMOS circuits for both qubit drive and readout, and their verification with real-world qubits, focusing on the latest results and highlighting challenges and opportunities.
Bio
Fabio Sebastiano received the B.Sc. (cum laude) and M.Sc. (cum laude) degrees in electrical engineering from University of Pisa, Italy, in 2003 and 2005, respectively, the M.Sc. degree (cum laude) from Sant’Anna School of Advanced Studies, Pisa, Italy, in 2006 and the Ph.D. degree from Delft University of Technology, The Netherlands, in 2011.
From 2006 to 2013, he was with NXP Semiconductors Research in Eindhoven, The Netherlands, where he conducted research on fully integrated CMOS frequency references, nanometer temperature sensors, and area-efficient interfaces for magnetic sensors. In 2013, he joined Delft University of Technology, where he is currently an Associate Professor and the Research Lead of the Quantum Computing Division of QuTech. He has authored or co-authored one book, 11 patents, and over 100 technical publications. His main research interests are cryogenic electronics, quantum computing, sensor read-outs, and fully integrated frequency references.
Dr. Sebastiano is on the technical program committee of the ISSCC, and the IEEE RFIC Symposium, and has been on the program committee of IMS. He is currently serving as an Associate Editor of the IEEE Transactions on VLSI, and has also served as a Guest Editor of the JSSC. He was co-recipient of the 2008 ISCAS Best Student Paper Award, the 2017 DATE best IP award, the ISSCC 2020 Jan van Vessem Award for Outstanding European Paper, and the 2022 IEEE CICC Best Paper Award. He has served as Distinguished Lecturer of the IEEE Solid-State Circuit Society.
Coffee and cookies will be served at 13:00 before the seminar, in front of the two auditoriums.
Abstract
Quantum computers promise to ignite the next technological revolution as the classical computer did for last century’s digital revolution by efficiently solving problems that are intractable by today’s computers. By enabling the efficient simulation of quantum systems, quantum computing will allow both the optimization of existing industrial processes and the synthesis of new drugs and materials, thus representing an unprecedented game changer with the potential to disrupt entire industries, create new ones, and radically change our lives.
Quantum computers rely on processing the information stored in quantum bits (qubits). Although such qubits typically require cryogenic operation, today’s quantum processors are mainly controlled by conventional electronics at room temperature. A few wires can readily bridge this thermal gap since today’s quantum computers employ only a few qubits. However, practical quantum computers addressing relevant problems will require more than thousands of qubits, making this approach impractical. A more scalable approach consists in operating a complex electronic interface at cryogenic temperature, very close to the quantum processor, eventually in the same package or even on the same chip. By exploiting the advances in performance and integration offered by the semiconductor industry, CMOS operating at cryogenic temperature (cryo-CMOS) is the most viable technology for such a cryogenic interface.
In this talk, we will quickly review the basics of quantum computation and briefly overview state-of-the-art quantum computers and the open challenges towards a practical computing device. After showing the behavior of CMOS devices at cryogenic temperature, we will go over several cryo-CMOS circuits for both qubit drive and readout, and their verification with real-world qubits, focusing on the latest results and highlighting challenges and opportunities.
Bio
Fabio Sebastiano received the B.Sc. (cum laude) and M.Sc. (cum laude) degrees in electrical engineering from University of Pisa, Italy, in 2003 and 2005, respectively, the M.Sc. degree (cum laude) from Sant’Anna School of Advanced Studies, Pisa, Italy, in 2006 and the Ph.D. degree from Delft University of Technology, The Netherlands, in 2011.
From 2006 to 2013, he was with NXP Semiconductors Research in Eindhoven, The Netherlands, where he conducted research on fully integrated CMOS frequency references, nanometer temperature sensors, and area-efficient interfaces for magnetic sensors. In 2013, he joined Delft University of Technology, where he is currently an Associate Professor and the Research Lead of the Quantum Computing Division of QuTech. He has authored or co-authored one book, 11 patents, and over 100 technical publications. His main research interests are cryogenic electronics, quantum computing, sensor read-outs, and fully integrated frequency references.
Dr. Sebastiano is on the technical program committee of the ISSCC, and the IEEE RFIC Symposium, and has been on the program committee of IMS. He is currently serving as an Associate Editor of the IEEE Transactions on VLSI, and has also served as a Guest Editor of the JSSC. He was co-recipient of the 2008 ISCAS Best Student Paper Award, the 2017 DATE best IP award, the ISSCC 2020 Jan van Vessem Award for Outstanding European Paper, and the 2022 IEEE CICC Best Paper Award. He has served as Distinguished Lecturer of the IEEE Solid-State Circuit Society.
Practical information
- General public
- Free