Ian Rousseau

Ian Rousseau is the founder and director of Hexisense SA, a startup company that focuses on emerging applications of gallium nitride in sensing and photonics.12

Background and Education

Ian Rousseau has a strong academic background in physics:

• Ph.D. from the Advanced Semiconductors for Photonics and Electronics Laboratory at EPFL (École Polytechnique Fédérale de Lausanne) in 20181
• M.Sc. from the University of Konstanz1
• B.Sc. in Physics from the Massachusetts Institute of Technology (MIT)1

Professional Experience

As an entrepreneur, Ian Rousseau works at the intersection of semiconductor, photonics, electronics, and vacuum technologies.2 His company, Hexisense, develops:

• Gas sensors for vacuum systems based on gallium nitride semiconductor chips3
• Low-loss gallium nitride integrated photonics1

Expertise and Vision

Ian Rousseau is known for his work on:

1. Advancing gallium nitride as a photonic material
2. Developing C-band microresonators with high-quality factors
3. Exploring GaN as a nanophotonic platform1

His expertise combines physics and entrepreneurship to create innovative solutions for his customers in the field of measurement and sensing technologies.