- The Nobel Prize in Physics 2018 was awarded jointly to Arthur Ashkin (USA), Gérard Mourou (France), and Donna Strickland (Canada). - Arthur Ashkin received half of the prize for his invention of optical tweezers and their application to biological systems. - Gérard Mourou and Donna Strickland shared the other half for their method of generating high-intensity, ultra-short optical pulses, known as Chirped Pulse Amplification (CPA). - Both optical tweezers and CPA are significant breakthroughs in the field of laser physics.