Lars Jonsson

Lars Jonsson is a Professor at the Royal Institute of Technology (KTH), affiliated with the School of Electrical Engineering and the Division of Electromagnetic Engineering and Fusion Science. His work focuses on advanced antenna design, electromagnetic wave propagation, and optimization techniques for wireless systems.

• Array Antennas (FJI3325) - Examiner and Course Responsible
• Degree Project in Electrical Engineering (EA275X) - Examiner
• Electromagnetic Theory (EI1220, EI1228) - Examiner, Course Responsible, and Teacher
• Electromagnetic Wave Propagation (EI2420) - Examiner, Course Responsible, and Teacher

Jonsson’s research explores antenna arrays, RF energy harvesting, and electromagnetic compatibility, with a focus on minimizing mutual coupling and maximizing efficiency in integrated systems. His recent publications emphasize Q-factor bounds, wideband antenna design, and convex optimization for array performance.

His work bridges theoretical electromagnetics and practical implementation, including applications in IoT devices, 5G communication, and quantum systems. Jonsson has contributed to understanding fundamental physical limits of antennas and developing high-power rectennas for energy transfer.

• Doctoral Thesis: "Directional Decomposition in Anisotropic Heterogeneous Media for Acoustic and Electromagnetic Fields" (2001)
• Active participation in international conferences like EuCAP and ICEAA
• Key collaborations with researchers in antenna optimization, microwave engineering, and electromagnetic theory