Home People Ruonan Han People FacultyFaculty AI+DFaculty CSFaculty EEFaculty EmeritusLecturers Leadership Staff Instructors EECS Undergraduate Laboratory Officer; Associate Professor, [EE] ruonan@mit.edu (617) 324-5281 Office: 39-527A Website Research Areas Biological and Medical Devices and SystemsElectronic, Magnetic, Optical and Quantum Materials and DevicesIntegrated Circuits and Systems Latest News More News March 18, 2025 Department of EECS announces 2025 promotions and appointments All promotions and appointments will take effect July 1, 2025. February 20, 2025 Chip-based system for terahertz waves could enable more efficient, sensitive electronics Researchers developed a scalable, low-cost device that can generate high-power terahertz waves on a chip, without bulky silicon lenses. March 7, 2023 Ruonan Han named EECS Undergraduate Laboratory Officer He succeeds Karl Berggren in the role, which involves long-term strategic planning and supervision duties for the EECS Department Teaching Laboratories (DTLs). January 19, 2022 Reasserting U.S. leadership in microelectronics MIT researchers lay out a strategy for how universities can help the U.S. regain its place as a semiconductor superpower. November 18, 2021 Pushing the limits of electronic circuits Ruonan Han seeks to develop next-generation electronic devices by harnessing terahertz waves.