We present a brief overview of the field of quantum imaging, concentrating on some recent results. Quantum imaging is a specific example of quantum metrology, and we thus start out with a discussion of quantum metrology including the generation of squeezed light and the generation of entangled photon pairs through the process of spontaneous parametric downconversion (SPDC). We then proceed to review three different examples of quantum imaging, namely ghost imaging, imaging based on interaction-free measurements, and imaging based on Mandel's induced coherence.
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