This thesis describes the first demonstration of a cooperative optical non-linearity based on Rydberg excitation. Whereas in conventional non-linear optics the non-linearity arises directly from the……続きを見る
The 2021 IPCC report made one thing crystal clear ー global climate change is here to stay. Time is up. We need to act or climate change will lead to inconceivable suffering by billions of people. B……続きを見る
