Few-photon all-optical phase rotation in a quantum-well micropillar cavity 由 Kuriakose, T, Walker, PM, Dowling, T, Kyriienko, O, Shelykh, IA, St-Jean, P, Zambon, NC, Lemaître, A, Sagnes, I, Legratiet, L, Harouri, A, Ravets, S, Skolnick, MS, Amo, A, Bloch, J, Krizhanovskii, DN