Confining the state of light to a quantum manifold by engineered two-photon loss. - Leghtas, Z.; Touzard, S.; Pop, I. M.; Kou, A.; Vlastakis, B.; Petrenko, A.; Sliwa, K. M.; Narla, A.; Shankar, S.; Hatridge, M. J.; Reagor, M.; Frunzio, L.; et al. (Science (pre-March 2025), 2015)