Intensity correlation between fractional incoherent vortices

A. J. Jesus-Silva; J. M. Hickmann; E. J. S. Fonseca

doi:10.1117/12.2004652

5 March 2013 Intensity correlation between fractional incoherent vortices

A. J. Jesus-Silva, J. M. Hickmann, E. J. S. Fonseca

Proceedings Volume 8637, Complex Light and Optical Forces VII; 863705 (2013) https://doi.org/10.1117/12.2004652
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

We obtain a well-defined topological charge signature from the intensity correlation of two spatially incoherent Laguerre-Gauss beams of differing orders when each beam is diffracted by a triangle. We show that the value of the obtained topological charge follows a correlation rule such that its value is related to the topological charges associated to both incoherent beams. This paper suggests a way to measure an effective topological charge of the coherence function, and opens a new window for studies of correlation between different orders of optical vortex beams.

Citation Download Citation

A. J. Jesus-Silva, J. M. Hickmann, and E. J. S. Fonseca "Intensity correlation between fractional incoherent vortices", Proc. SPIE 8637, Complex Light and Optical Forces VII, 863705 (5 March 2013); https://doi.org/10.1117/12.2004652

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