On-chip, photon-number-resolving, telecom-band detectors for scalable photonic information processing - Gerrits, T; Thomas-Peter, N; Gates, J; Lita, A; Metcalf, B; Calkins, B; Tomlin, N; Fox, A; Linares, A; Spring, J; Langford, N; Mirin, R; et al. (Phys. Rev. A 84, 060301(R) (2011), 2011)