High-Visibility Multi-Photon Interference of Classical Light
I.N.Agafonov, M.V.Chekhova, T.Sh.Iskhakov, A.N.Penin
TL;DR
This paper demonstrates that classical light sources can produce high-visibility multi-photon interference, with visibility increasing with the order of interference, surpassing traditional classical limits, and confirms this with experimental results.
Contribution
It shows that classical sources can achieve high-visibility multi-photon interference, challenging the notion that such effects are exclusive to quantum sources.
Findings
Three-photon interference visibility up to 81.9%
Four-photon interference visibility up to 94.4%
Experimental observation with both coherent and pseudo-thermal light
Abstract
It is shown that the visibility of multi-photon interference for classical sources grows rapidly with the order of interference. For three-photon and four-photon interference of two coherent sources, the visibility can be as high as 81.9% and 94.4%, respectively, - much higher than the 'classical limit' of two-photon interference (50%). High-visibility three-photon and four-photon interference has been observed in experiment, for both coherent and pseudo-thermal light.
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Taxonomy
TopicsOcular and Laser Science Research · Advanced Optical Sensing Technologies · Advanced Fluorescence Microscopy Techniques