6533b833fe1ef96bd129b734
RESEARCH PRODUCT
Entanglement swapping in a Franson interferometer setup
G. Massimo PalmaUgo Messinasubject
PhysicsINTERFERENCEQuantum PhysicsPhotonbusiness.industryFOS: Physical sciencesPhysics::OpticsQuantum entanglementQuantum PhysicsAtomic and Molecular Physics and OpticsCoincidencelaw.inventionInterferometryOpticsPhoton entanglementSpontaneous parametric down-conversionlawAstronomical interferometerQUANTUM CRYPTOGRAPHYbusinessQuantum Physics (quant-ph)2-PHOTON INTERFEROMETRYBeam splitterdescription
We propose a simple scheme to swap the non local correlations, characteristic of a Franson interferometric setup, between pairs of frequency entangled photons emitted by distinct non linear crystals in a parametric down conversion process. Our scheme consists of two distinct sources of frequency entangled photons. One photon of each pair is sent to a separate Mach - Zender interferometer while the other photons of the pairs are mixed by a beam splitter and then detected in a Ou - Mandel interferometer. For suitably postselected joint measuremetns, the photons sent at the Mach -Zender show a coincidence photocount statistics which depends non locally on the settings of the two interferometers.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2007-06-18 |