A physicist in the field of nanosciences, he is working on the interactions between matter and radiation in plasmonic nanostructures and has recently been interested in mechanisms for capturing light energy in the living world. As part of his research, he is regularly invited by Japanese universities. During his frequent stays for fifteen years, he was able to deepen his knowledge of Japanese culture and establish close relations with several Japanese scientists and in particular with Professor Satoshi Ohara with whom he co-wrote the book. appear on Minakata Kumagusu.