16:00 – 16:20
GaN-on-Si technology for efficient RF front-ends
Achieving very high-power efficiency at mmWave frequencies is critical for the deployment of 5G and 6G radio systems. Although compound semiconductors
technologies promise to reduce the power consumption of high-power amplifiers, their low-cost fabrication on a CMOS compatible platform remains challenging. We introduce in this presentation a GaN-on-Si platform achieving 68% PAE at 28GHz. The reliability challenges will be highlighted, toghether with the transistor optimization using different materials for the front- and back-barriers.
Bertrand Parvais
imec
He received his electrical engineering and Ph.D. degrees from the Université Catholique de Louvain, Louvain-la-Neuve, Belgium, in 2000 and 2004, respectively. He joined imec as a device engineer, working on the characterization and modeling of transistors in advanced CMOS technologies for analog and RF applications. From 2009 to 2016, he was involved in the design of mixed-mode and millimeter-wave CMOS circuits. He then led the team responsible for transistor compact model and design-technology co-optimization (DTCO). From 2019, he concentrates on RF technologies for Front-end-Modules, including GaN/Si and its sustainability aspects.
imec
Company Profile
Imec is a world-leading research and innovation hub in advanced semiconductor technologies. Leveraging its state-of-the-art R&D infrastructure and the expertise of over 6,500 employees, imec drives innovation in semiconductor and system scaling, artificial intelligence, silicon photonics, connectivity, and sensing.
Imec’s advanced research powers breakthroughs across a wide range of industries, including computing, health, automotive, energy, infotainment, industry, agrifood, and security. Through IC-Link, imec guides companies through every step of the chip journey – from initial concept to full-scale manufacturing – delivering customized solutions tailored to meet the most advanced design and production needs.
Imec collaborates with global leaders across the semiconductor value chain, as well as with technology companies, start-ups, academia, and research institutions in Flanders and worldwide. Headquartered in Leuven, Belgium, imec has research facilities in Belgium, across Europe and the USA, and representation on three continents. In 2024, imec reported revenues of €1.034 billion.
Further information on imec can be found at www.imec-int.com.
