Gérard Mourou, one of three scientists to win the 2018 Nobel Prize in Physics, is shown during a conference in Paris, France, in 2015. Arthur Ashkin of the United States and Canadian Donna Strickland also share the prize.

Gérard Mourou, one of three scientists to win the 2018 Nobel Prize in Physics, is shown during a conference in Paris, France, in 2015. Arthur Ashkin of the United States and Canadian Donna Strickland also share the prize