20 May 2009 Translational-internal entanglement states and quantum information for single photons
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Abstract
We consider single photons propagating along two paths, with the polarization correlated to the path. Two information related aspects of this translational-internal entanglement (TIE) are analyzed: a) Using the polarization to record the path (a "flying detector" scheme), we characterize the tradeoff between path- and phaseinformation. b) We investigate the effects of non-Markovian noise on the two-qubit quantum channel consisting of the photon path and polarization (that are both used to encode information), and suggest noise protection schemes.
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Goren Gordon, Goren Gordon, Noam Erez, Noam Erez, Gershon Kurizki, Gershon Kurizki, } "Translational-internal entanglement states and quantum information for single photons", Proc. SPIE 7366, Photonic Materials, Devices, and Applications III, 73660K (20 May 2009); doi: 10.1117/12.823391; https://doi.org/10.1117/12.823391
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