This review article summarizes the emerging field of quantum nonlinear optics. Three major approaches to generate optical nonlinearities based on cavity quantum electrodynamics, atomic ensembles with large Kerr nonlinearities and strong atomic interactions are reviewed. Applications of quantum nonlinear optics and many-body physics with strongly interacting photons are also discussed.
- Darrick E. Chang
- Vladan Vuletić
- Mikhail D. Lukin