Home People Ruonan Han People FacultyFaculty AI+DFaculty CSFaculty EEFaculty EmeritusLecturers Leadership Staff Instructors EECS Undergraduate Laboratory Officer; 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 February 20, 2026 Results You Can Touch One year into the new 6-5 degree program, students are discovering the joy of hands-on electrical engineering. February 20, 2026 Chip-processing method could assist cryptography schemes to keep data secure By enabling two chips to authenticate each other using a shared fingerprint, this technique can improve privacy and energy efficiency. June 20, 2025 New 3D chips could make electronics faster and more energy-efficient The low-cost, scalable technology can seamlessly integrate high-speed gallium nitride transistors onto a standard silicon chip. 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.