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PDC SPECKLE STRUCTURE; ABSOLUTE CALIBRATION; ENTANGLED IMAGES;
INTERFERENCE; DETECTORS; LIMITS; BEAMSOptics; Physics;
Abstract:
We present a complete and exhaustive theory of signal-to-noiseratio in bipartite ghost imaging with classical (thermal) and quantum (twin beams) light. The theory is compared with experiment for both twin beams and thermal light in a certain regime of interest.