Journal
PHYSICAL REVIEW LETTERS
Volume 101, Issue 23, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.101.233603
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Funding
- U.S. Army Research Office (ARO)
- Multidisciplinary University Research Initiative (MURI)
- Bernard M. Gordon Center for Subsurface Sensing and Imaging Systems (CenSSIS)
- NSF Engineering Research Center
- Intelligence Advanced Research Projects Activity (IARPA)
- ARO [W911NF-07-1-0629]
- Fondazione CARIPARO
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We report the first experimental demonstration of even-order aberration cancellation in quantum interferometry. The effect is a spatial counterpart of the spectral group velocity dispersion cancellation, which is associated with spectral entanglement. It is manifested in temporal interferometry by virtue of the multiparameter spatial-spectral entanglement. Spatially entangled photons, generated by spontaneous parametric down-conversion, were subjected to spatial aberrations introduced by a deformable mirror that modulates the wave front. We show that only odd-order spatial aberrations affect the quality of quantum interference.
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