Amplifying Single-Photon Nonlinearity Using Weak Measurements
Amplifying Single-Photon Nonlinearity Using Weak Measurements
We show that weak measurement can be used to ``amplify'' optical nonlinearities at the single-photon level, such that the effect of one properly postselected photon on a classical beam may be as large as that of many unpostselected photons. We find that ``weak-value amplification'' offers a marked improvement in the …