Quantum Multiplexing with the Orbital Angular Momentum of light

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dc.creatorGarcia-Escartin, Juan Carlos
dc.creatorChamorro-Posada, Pedro
dc.date2009-01-29
dc.date.accessioned2026-07-07T12:35:39Z
dc.date.available2026-07-07T12:35:39Z
dc.descriptionThe orbital angular momentum, OAM, of photons offers a suitable support to carry the quantum data of multiple users. We present two novel optical setups that send the information of n quantum communication parties through the same free-space optical link. Those qubits can be sent simultaneously and share path, wavelength and polarization without interference, increasing the communication capacity of the system. The first solution, a qubit combiner, merges n channels into the same link, which transmits n independent photons. The second solution, the OAM multiplexer, uses CNOT gates to transfer the information of n optical channels to a single photon. Additional applications of the multiplexer circuits, such as quantum arithmetic, as well as connections to OAM sorting are discussed.
dc.identifierhttps://arxiv.org/abs/0901.4740
dc.identifierhttp://arxiv.org/abs/0901.4740
dc.identifierPhys. Rev. A 78, 062320 (2008)
dc.identifierdoi:10.1103/PhysRevA.78.062320
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/217832
dc.subjectQuantum Physics
dc.titleQuantum Multiplexing with the Orbital Angular Momentum of light
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