A heralded single-photon source for quantum communications compatible with long-distance optical fibers

Author

Da Silva, T. Ferreira ; Pinheiro, T.R.P. ; Xavier, G.B. ; von der Weid, J.P.

Author_Institution

Center for Telecommun. Studies, Pontifical Catholic Univ. of Rio de Janeiro, Rio de Janeiro, Brazil

fYear

2009

Firstpage

718

Lastpage

720

Abstract

This paper reports the implementation of a heralded single-photon source for quantum communications. Pump photons are parametric down-converted into pairs of photons at 810 and 1550 nm inside a non-linear crystal. The former acts as a heralding signal to the telecom wavelength photon. The temporal correlation between the photons is measured, as well as the compromise between source visibility and maximum achievable transmission distance.

Keywords

optical fibre communication; optical frequency conversion; quantum communication; quantum optics; heralded single-photon source; heralding signal; long-distance optical fibers; maximum achievable transmission distance; nonlinear crystal; pump photons; quantum communications; source visibility; telecom wavelength photon; temporal correlation; wavelength 1550 nm; wavelength 810 nm; Optical fibers; optical fibers; quantum communications; single-photon sources;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave and Optoelectronics Conference (IMOC), 2009 SBMO/IEEE MTT-S International

Conference_Location

Belem

ISSN

1679-4389

Print_ISBN

978-1-4244-5356-6

Electronic_ISBN

1679-4389

Type

conf

DOI

10.1109/IMOC.2009.5427488

Filename

5427488