Two-photon superbunching of pseudothermal light in a Hanbury Brown-Twiss interferometer

Abstract

Two-photon superbunching of pseudothermal light is observed with single-mode continuous-wave laser light in a linear optical system. By adding more two-photon paths via three rotating ground glasses,g(2)(0) = 7.10 is experimentally observed. The second-order temporal coherence function of superbunching pseudothermal light is theoretically and experimentally studied in detail. It is predicted that the degree of coherence of light can be increased dramatically by adding more multi-photon paths. For instance, the degree of the second- and third-order coherence of the superbunching pseudothermal light with five rotating ground glasses can reach 32 and 7776, respectively. The results are helpful to understand the physics of superbunching and to improve the visibility of thermal light ghost imaging.

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Cited by in corpus (10)

• Superposition of two-mode squeezed states for quantum information processing and quantum sensing
• Highly directional photon superbunching from a 'few atom' chain of emitters
• High visibility temporal ghost imaging with classical light
• Superthermal photon bunching in terms of simple probability distributions
• Superbunching pseudothermal light with intensity modulated laser light and rotating groundglass
• Experimental observation of three-photon superbunching in linear optical system
• Two-photon superbunching effect of broadband chaotic stationary light at femtosecond timescale based on cascaded Michelson interferometer
• Enhancement of nonclassical properties of two-mode squeezed vacuum state with postselected von Neumann measurement
• Simple and efficient way to generate superbunching pseudothermal light
• Revisiting photon-statistics effects on multiphoton ionization. II