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Quantum optics

Crystal-clear images

Two experiments that use nonlinear crystals to control the spatial distribution of photons in optical images bring the field of quantum imaging closer to maturity. Quantum information processing could ultimately benefit.

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Figure 1: Parametric amplification of light.

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Fabre, C. Crystal-clear images. Nature 436, 472–473 (2005). https://doi.org/10.1038/436472a

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