Optimal cloning of single photon polarization by coherent feedback of beam splitter losses

dc.creatorHofmann, Holger F.
dc.creatorIde, Toshiki
dc.date2005-12-01
dc.date2006-07-31
dc.date.accessioned2026-07-07T08:14:27Z
dc.date.available2026-07-07T08:14:27Z
dc.descriptionLight fields can be amplified by measuring the field amplitude reflected at a beam splitter of reflectivity R and adding a coherent amplitude proportional to the measurement result to the transmitted field. By applying the quantum optical realization of this amplification scheme to single photon inputs, it is possible to clone the polarization states of photons. We show that optimal cloning of single photon polarization is possible when the gain factor of the amplification is equal to the inverse squareroot of 1-R.
dc.description10 pages, including 1 figure, extended from letter to full paper, to be published in New Journal of Physics
dc.identifierhttps://arxiv.org/abs/quant-ph/0512002
dc.identifierhttp://arxiv.org/abs/quant-ph/0512002
dc.identifierNew J. Phys. 8 (2006) 130
dc.identifierdoi:10.1088/1367-2630/8/8/130
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/133127
dc.subjectQuantum Physics
dc.titleOptimal cloning of single photon polarization by coherent feedback of beam splitter losses
dc.typetext

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