Quantum Physics2026-06-021 minarXiv:2606.03293expressQuantum Cat from 120 Photons: Macroscopic Superposition of LightA quantum cat is a special state of light, the idea of which was proposed by Erwin Schrödinger in his famous thought experiment.Zhu-yao Jin·Jun Jingsuperposition principleDavid DeutschErwin SchrödingerJohn Stewart BellQuantum superpositionquantum computersuperpositionquantum sensingquantum state👍👎☆SimplePopularAdvanced