The famous HBT experiments were performed with optical vortices. As observed, the intensity correlation functions for scattered vortices decay faster than that of the Gaussian laser beam and show additional peaks at larger time delay.
© 2012 OSA
A. Kumar, J. Banerji, and R. P. Singh, "HBT- Type Experiment with Optical Vortices," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (Optical Society of America, 2012), paper JW4A.98.
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