Aberration cancellation in quantum interferometry
arXiv:0807.2909 · doi:10.1103/PhysRevLett.101.233603
Abstract
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 multi-parameter 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 wavefront. We show that only odd-order spatial aberrations affect the quality of quantum interference.
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- Classical reconstruction of interference patterns of position-wavevector-entangled photon pairs by time-reversal method
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- Correlated-Photon Imaging with Cancellation of Object-Induced Aberration