Daniel Kaplan and Pierre Tournois spent most of their careers as research and technical executives within the Thales ( formerly Thomson-CSF ) group.
Daniel Kaplan is a member of the French National Academy of Sciences, of the French National Academy of Technologies, and a former President of the French Physical Society.
Pierre Tournois is a member of the French National Academy of Technologies and a Foreign Member of the Finnish Academy of Technical Sciences. He received in 2005 the IEEE David Sarnoff Award.
They have authored
or co-authored more than 150 papers covering the fields of
semiconductor device physics, semiconductor optical properties,
acoustic surface waves, laser optics, acousto-optic interactions, pulse
compression and signal processing.
Pierre Tournois is the inventor
of the Gires-Tournois interferometer (commonly named GTI) , and of the Dazzler/AOPDF filter,
two concepts at the basis of present ultrafast laser designs.