Entangled-Photon Imaging of a Pure Phase Object
Abstract
We demonstrate experimentally and theoretically that a coherent image of a pure phase object may be obtained by use of a spatially incoherent illumination beam. This is accomplished by employing a two-beam source of entangled photons generated by spontaneous parametric down-conversion. Though each of the beams is, in and of itself, spatially incoherent, the pair of beams exhibits higher-order inter-beam coherence. One of the beams probes the phase object while the other is scanned. The image is recorded by measuring the photon coincidence rate using a photon-counting detector in each beam. Using a reflection configuration, we successfully imaged a phase object implemented by a MEMS micro-mirror array. The experimental results are in accord with theoretical predictions.
Cite
@article{arxiv.quant-ph/0311147,
title = {Entangled-Photon Imaging of a Pure Phase Object},
author = {Ayman F. Abouraddy and Patrick R. Stone and Alexander V. Sergienko and Bahaa E. A. Saleh and Malvin C. Teich},
journal= {arXiv preprint arXiv:quant-ph/0311147},
year = {2019}
}
Comments
11 pages, 3 figures, submittedto Phys. Rev. Lett