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http://hdl.handle.net/1843/46640| Type: | Artigo de Periódico |
| Title: | Higher order correlation beams in atmosphere under strong turbulence conditions |
| Authors: | Hakob Avetisyan Carlos Henrique Monken |
| Abstract: | Higher order correlation beams, that is, two-photon beams obtained from the process of spontaneous parametric down-conversion pumped by Hermite-Gauss or Laguerre-Gauss beams of any order, can be used to encode information in many modes, opening the possibility of quantum communication with large alphabets. In this paper we calculate, analytically, the fourth-order correlation function for the Hermite-Gauss and Laguerre-Gauss coherent and partially coherent correlation beams propagating through a strong turbulent medium. We show that fourth-order correlation functions for correlation beams have, under certain conditions, expressions similar to those of intensities of classical beams and are degraded by turbulence in a similar way as the classical beams. Our results can be useful in establishing limits for the use of two-photon beams in quantum communications with larger alphabets under atmospheric turbulence. |
| Subject: | Turbulência atmosférica Óptica quântica Comunicação quântica |
| language: | eng |
| metadata.dc.publisher.country: | Brasil |
| Publisher: | Universidade Federal de Minas Gerais |
| Publisher Initials: | UFMG |
| metadata.dc.publisher.department: | ICX - DEPARTAMENTO DE FÍSICA |
| Rights: | Acesso Aberto |
| metadata.dc.identifier.doi: | https://doi.org/10.1364/OE.24.002318 |
| URI: | http://hdl.handle.net/1843/46640 |
| Issue Date: | 2016 |
| metadata.dc.url.externa: | https://opg.optica.org/oe/fulltext.cfm?uri=oe-24-3-2318&id=335902 |
| metadata.dc.relation.ispartof: | Optics Express |
| Appears in Collections: | Artigo de Periódico |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Higher order correlation beams in atmosphere under strong turbulance conditions.pdf | 572.06 kB | Adobe PDF | View/Open |
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