The Physics of Ghost imaging

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The Physics of Ghost imaging

Mode 1Mode 2Different modes:Detector 1k 1Far-field(Fourier transform Plane)k 2Detector 2I 1I 2 I 1I 2 0The HBT experiment was successfully interpreted as statisticalcorrelation of intensity fluctuations. In HBT, the measurement is infar-field (Fourier transform plane). The measured two intensitieshave the same fluctuations while the two photodetectors receive thesame mode and thus yield maximum correlation. When the twophotodetector receive different modes, however, the intensitieshave different fluctuations, and thus no correlation is observable.

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