We show how quantum entangled biphoton states can be used to realize ghost scattering, a nonlocal scheme to obtain scattering information of an unknown object through the correlation measurement of the scattering photons in two different optical paths. We
An optical length-change measurement technique is proposed based on an incoherent microwave photonic filter (MPF). The optical length under testing is inserted into an optical link of a single-bandpass MPF based on a polarization-processed incoherent ligh