the vast majority of this work addresses fields that are statistically stationary in time, hence their complex envelopes only have phase-insensitive correlations. The theory of partial coherence has a long and storied history in classical statistical optics.
Phase-Sensitive Coherence and the Classical- Quantum Boundary in Ghost ImagingĮrkmen, Baris I.
Our conclusion is that each process can provide useful functionality, although under complementary conditions. We provide quantitative predictions for the conditions under which each process provides superior performance. However, for practical reasons involving achievable illumination levels, acquisition times for thermal ghost images are often much shorter than those for quantum ghost images. In contrast, there is a negligible intrinsic background to a quantum ghost image. We show that a key distinction is that a thermal ghost image always resides on top of a large background the fluctuations in this background constitutes an intrinsic noise source for thermal ghost imaging. We first calculate the signal-to-noise ratio of each process in terms of its controllable experimental conditions. We present a theoretical comparison of the signal-to-noise characteristics of quantum versus thermal ghost imaging. International Nuclear Information System (INIS) Comparison of the signal-to-noise characteristics of quantum versus thermal ghost imaging
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