Limits on manipulating conditional photon statistics via interference of weak lasers
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- Title
- Limits on manipulating conditional photon statistics via interference of weak lasers
- Authors
- Hong, K.-H.; Jung, J.; Cho, Y.-W.; Han, S.-W.; Moon, S.; Oh, K.; Kim, Y.-S.; Kim, Y.-H.
- Date Issued
- 2017-05
- Publisher
- OSA - The Optical Society
- Abstract
- Photon anti-bunching, measured via the Hanbury-Brown-Twiss experiment, is one of the key signatures of quantum light and is tied to sub-Poissonian photon number statistics. Recently, it has been reported that photon anti-bunching or conditional sub-Poissonian photon number statistics can be obtained via second-order interference of mutually incoherent weak lasers and heralding based on photon counting [Phys. Rev. A 92, 033855 (2015); Opt. Express 24, 19574 (2016); https://arxiv.org/abs/1601.08161]. Here, we report theoretical analysis on the limits of manipulating conditional photon statistics via interference of weak lasers. It is shown that conditional photon number statistics can become super-Poissonian in such a scheme. We, however, demonstrate explicitly that it cannot become sub-Poissonian, i.e., photon anti-bunching cannot be obtained in such a scheme. We point out that incorrect results can be obtained if one does not properly account for seemingly negligible higher-order photon number expansions of the coherent state. ? 2017 Optical Society of America.
- Keywords
- Statistics; Coherent state; Hanbury-brown twiss; Photon counting; Photon numbers; Photon statistics; Photon-number statistics; Second-order interference; Sub-Poissonian photon-number statistics; Photons
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/50894
- DOI
- 10.1364/OE.25.010610
- ISSN
- 1094-4087
- Article Type
- Article
- Citation
- Optics Express, vol. 25, no. 9, page. 10610 - 10621, 2017-05
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