Spatial multimode entanglement within one laser beam

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dc.creatorJanousek, J.
dc.creatorWagner, K.
dc.creatorMorizur, J-F.
dc.creatorTreps, N.
dc.creatorLam, P. K.
dc.creatorHarb, C. C.
dc.creatorBachor, H-A.
dc.date2008-12-26
dc.date.accessioned2026-07-07T12:22:51Z
dc.date.available2026-07-07T12:22:51Z
dc.descriptionOptical entanglement is a key requirement for many quantum communication protocols. Conventionally entanglement is formed between two distinct beams, with the quantum correlations being measured at separate locations. We show entanglement between the modes within one beam. Our technique is particularly elegant and a major advance towards practical systems with minimum complexity. We demonstrate three major experimental achievements: (i) only one source is required to produce squeezed light in two orthogonal spatial modes, (ii) the entanglement is formed through lenses and beam rotation, without the need of a beam splitter and (iii) the quantum correlations are measured directly and simultaneously using a multi pixel, quadrant detector.
dc.description7 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/0812.4686
dc.identifierhttp://arxiv.org/abs/0812.4686
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/213792
dc.subjectQuantum Physics
dc.titleSpatial multimode entanglement within one laser beam
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