Abstract

Ghost imaging is a technique for constructing an image of an object without actually seeing this object. It relies on measuring the correlations between intensity fluctuations in a reference arm and a test arm where the object is located. Ghost imaging has been widely investigated in the spatial domain, using spatially incoherent light sources or entangled photon pairs [1]. Recently, it was suggested theoretically [2] and numerically [3] that ghost imaging may be transposed to the temporal domain whereby time intensity correlation measurements from an incoherent light source would allow retrieving a rapidly varying temporal object. Here, using two different types of temporally incoherent light sources, we present the first experimental demonstration of ghost imaging in the time domain.

© 2015 IEEE

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