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Intensity correlations of thermal light

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Iskhakov,  T.
Optical Technologies, Technology Development and Service Units, Max Planck Institute for the Science of Light, Max Planck Society;
Quantum Radiation, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

/persons/resource/persons201034

Chekhova,  M.
Quantum Radiation, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;
Chekhova Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;
Optical Technologies, Technology Development and Service Units, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Iskhakov, T., Allevi, A., Kalashnikov, D. A., Sala, V. G., Takeuchi, M., Bondani, M., et al. (2011). Intensity correlations of thermal light. EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS, 199(1), 127-138. doi:10.1140/epjst/e2011-01508-x.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6971-C
Abstract
We demonstrate measurement of normalized Glauber's intensity correlation functions of different orders using an array photodetector. As the light source, we use a laser beam scattered by a rotating ground-glass disc, which has statistics close to that of thermal light. We compare the measurements of the normalized correlation functions to that of the difference-intensity variance and show that they are in a certain sense complementary. The independence of the variance measurement on the number of temporal modes has been demonstrated for the first time. Different versions of high-order ghost imaging are also realized and characterized quantitatively.