Phys. Rev. A 80, 015801 (2009) [4 pages]Derivation of the density matrix of a single photon produced in parametric down-conversionReceived 12 May 2009; published 27 July 2009 We discuss an effective numerical method of density matrix determination of fiber coupled single photon generated in process of spontaneous parametric down conversion in type I noncollinear configuration. The presented theory has been successfully applied in case of source utilized to demonstrate the experimental characterization of spectral state of single photon, what was reported in Wasilewski, Kolenderski and Frankowski Phys. Rev. Lett. 99 123601 (2007)]. © 2009 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.80.015801
DOI:
10.1103/PhysRevA.80.015801
PACS:
42.50.Dv, 42.65.Lm
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