[Joint CQSE & NCTS Seminar] Group-IV heterostructures for quantum technologies
Title: [Joint CQSE & NCTS Seminar] Group-IV heterostructures for quantum technologies
Speaker: Prof. Jiun-Yun Li (National Taiwan University)
Time: 2025/11/07 (Fri.) 14:20-16:20
Place: Rm. 104, Chin-Pao Yang Lecture Hall, Department of Physics/CCMS, NTU
Online: https://nationaltaiwanuniversity-zbh.my.webex.com/nationaltaiwanuniversity-zbh.my/j.php?MTID=m35c57ceb3c91fd5af3ca30d927e989a1
Abstract
Silicon has been a main driver for the era of digital computing due to its excellent carrier mobility, stable oxide interface, and well-established manufacturing processes that have been in place for more than five decades. While Moore's Law continues to push forward through various innovations to extend its importance, certain challenges remain unsolved, particularly those requiring exponential increases in processing times, which cannot be addressed within a feasible timeframe. In contrast, quantum computing presents a promising alternative for solving specific problems more efficiently than classical computers. To build a functional quantum computer, quantum dots within group-IV semiconductor heterostructures have been considered a viable option, offering long decoherence times, scalability, and compatibility with silicon-based very-large-scale integration (VLSI) technology. This talk begins by exploring the development of undoped group-IV heterostructures since 2000, followed by a discussion of their carrier transport properties and applications on the qubit technology.Biography
Prof. Jiun-Yun Li received his B.S. degree in electrical engineering from National Taiwan University (NTU), Taipei, Taiwan. Then he moved on to the U.S. to receive Ph.D. degree from Princeton University. Prof. Li joined the Department of Electrical Engineering and the Graduate Institute of Electronics Engineering at NTU as a faculty member since 2013 and he served as the vice chair of the Department of Electrical Engineering at NTU from 2022 ~ 2024. He has been appointed jointly by Taiwan Semiconductor Research Institute (TSRI) as a research fellow since 2014. His research interests include group-IV epitaxial growth and its carrier transport and device applications. He is a recipient of several awards, such as William Lin Young Chair Professor (2020 ~ 2021), Award of Research Excellence of EECS College at NTU (2022), Excellence in Teaching Award (2019), and Lam Research Awards (2023, 2021, 2020, and 2018).
