Optimal photons for quantum information processing

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dc.creatorRohde, Peter P.
dc.creatorRalph, Timothy C.
dc.creatorNielsen, Michael A.
dc.date2005-05-19
dc.date.accessioned2026-07-07T06:25:53Z
dc.date.available2026-07-07T06:25:53Z
dc.descriptionPhotonic quantum information processing schemes, such as linear optics quantum computing, and other experiments relying on single-photon interference, inherently require complete photon indistinguishability to enable the desired photonic interactions to take place. Mode-mismatch is the dominant cause of photon distinguishability in optical circuits. Here we study the effects of photon wave-packet shape on tolerance against the effects of mode-mismatch in linear optical circuits, and show that Gaussian distributed photons with large bandwidth are optimal. The result is general and holds for arbitrary linear optical circuits, including ones which allow for post-selection and classical feed-forward.
dc.description6 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0505139
dc.identifierhttp://arxiv.org/abs/quant-ph/0505139
dc.identifierPhys. Rev. A 72, 052332 (2005)
dc.identifierdoi:10.1103/PhysRevA.72.052332
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/96956
dc.subjectQuantum Physics
dc.titleOptimal photons for quantum information processing
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