We discuss the possibility of quantum interferences and entanglement of photons which exist at different intervals of time. The corresponding two-photon correlation function is shown to violate Bell's inequalities.
© 2011 OSA
R. O. Wiegner, C. Thiel, J. von Zanthier, and G. S. Agarwal, "Quantum interference and entanglement of photons which do not overlap in time," in Frontiers in Optics 2011/Laser Science XXVII, OSA Technical Digest (Optical Society of America, 2011), paper JTuA37.
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