Weak nonlinear interferences

• J. H. Shapiro. Single-photon Kerr nonlinearities do not help quantum computation in Phys. Rev. A 73:062305 (2006).
• Impossibility of large phase shifts via the giant Kerr effect with single-photon wave packets. J. Gea-Banacloche in Phys. Rev. A 81:043823 (2010).