Bio:

Shu-Jen Han currently serves as a CTO of SEEQC, where he is leading global multi-disciplinary teams to develop chip-based quantum computing systems. He is responsible for company’s technology roadmaps, and the integration of SEEQC’s digital chip solution into clients’ quantum systems. Before SEEQC, Han was an associate VP of HFC Semiconductor Corp., where he drove two generations of MRAM technology development. Prior to HFC, he managed nanoelectronics group at IBM T. J. Watson Research Center. He obtained his Ph.D. degree from Stanford University. He has authored over 100 technical publications, including multiple publications in Science and Nature series, two book chapters, and over 200 issued US patents.

Abstract:

Current superconducting quantum computers rely on a brute-force scaling approach where quantum chips operating at the millikelvin stage inside dilution refrigerators are connected to room-temperature electronics via an ever-increasing number of signal wires. In order to drastically scale up such systems without facing refrigeration challenges, these quantum interface electronics need to be integrated at cryogenic temperatures, ideally at the same stage as qubits. Here, we show that, by employing energy-efficient digital superconducting microchips based on single flux quantum technology, all essential functions to operate a full stack quantum computer can be integrated at 10 mK.