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Frontiers in Optics

Characterizing Photon Statistics in an Unbalanced Beam Splitter

Hamed Pourbeyram, Cody Bassett, Arash Mafi

Published Jan 1, 2018• 0 citations
Publisher

Abstract

A theoretical framework has been developed and examined experimentally for photon statistics in an unbalanced beam splitter. We show that it is possible to determine the photon statistics of a lights source without coincidence counting.
DOI
10.1364/ls.2018.lm1b.3

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We have developed a new method to determine the photon statistics of a light source without the need for coincidence counting. Our method relies on using an asymmetric beam-splitter with intentional asymmetrical losses in a non-photon-number resolving detection system. We observe that the counts from one arm of the beam-splitter, when plotted as a function of the counts from the other arm, follow universal single-parameter curves that hint to the statistics of the photon source. We make a series of measurements on single photons detected from an attenuated laser source and show that the data clearly conforms to the universal curve established exclusively for coherent sources. We also show that the data cannot be fitted to the universal curve for thermal and photon-number sources.
Theoretical research on the record of every incident output of the single-molecule photon source responded by two SPCM with standard Hanbury-Brown-Twiss technique is presented.The photon statistic measurement of a single molecule photon source based on the HBT configuration with an unbalanced detection system is studied.The photon counting statistics character of the real single molecular photon source with a Poisson statistics background is theoretically investigated.It is shown that the unbalanced detectors,the unbalanced beam-splitter and the unbalanced linear propagation efficiencies will cause the single event Mandel parameter to be less than that of balance system.In addition,the correction expression to the Mandel parameter based on unbalanced detection is given.