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Simulating quantum state engineering in spontaneous parametric down-conversion using classical light
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DOI：10.1364/OE.22.017039.png)
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Abstract
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We present a simple method of simulating the effect of the pumping process in spontaneous parametric down-conversion (SPDC) by modulating a classical laser beam with two spatial light modulators through a back projection setup. We simulate a wide range of pump beams for quantum state engineering and confirm that the results are in agreement with theory. Our approach offers high photon count rates, is quick to yield results and can easily be converted back to a SPDC setup. It is likely to be a useful tool before starting more complicated SPDC experiments with custom pump profiles. (C) 2014 Optical Society of America
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