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team — Last week, Prof. Gérard Albert Mourou, Nobel Laureate in Physics 2018, visited the Max Planck Institute for Quantum Optics and gave a fascinating lecture about his work. Mourou’s research is focused on ultrashort laser pulses which are only a few femtoseconds in duration. These femtosecond pulses have given us new opportunities to deepen our knowledge about, as well as shape the world. In 1985, Donna Strickland and Gérard Mourou succeeded in creating ultrashort high-intensity laser pulses without destroying the amplifying material. First, they stretched the laser pulses in time to reduce their peak power, then amplified them, and finally compressed them. As a result, the intensity of the pulse increases dramatically. “Chirped pulse amplification” has many uses, including corrective eye surgeries.