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10.1038/ncomms11720 http://scihub22266oqcxt.onion/10.1038/ncomms11720 C4895034!4895034!27241946     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\27241946.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       Nat+Commun 2016 ; 7 (ä): ä Nephropedia Template TP {{tp|p=27241946|t=2016. Efficient entanglement distillation without quantum memory |pdf=|usr=}}{{27241946}} gab.com Text Efficient entanglement distillation without quantum memory JO: Nat Commun http://www.kidney.de/pget.php?&tw=1&pmid=27241946 #FOAvip Entanglement distribution between distant parties is an essential component to most quantum communication protocols. Unfortunately, decoherence effects such as phase noise in optical fibres are known to demolish entanglement. Iterative (multistep) entanglement distillation protocols have long been proposed to overcome decoherence, but their probabilistic nature makes them inefficient since the success probability decays exponentially with the number of steps. Quantum memories have been contemplated to make entanglement distillation practical, but suitable quantum memories are not realised to date. Here, we present the theory for an efficient iterative entanglement distillation protocol without quantum memories and provide a proof-of-principle experimental demonstration. The scheme is applied to phase-diffused two-mode-squeezed states and proven to distil entanglement for up to three iteration steps. The data are indistinguishable from those that an efficient scheme using quantum memories would produce. Since our protocol includes the final measurement it is particularly promising for enhancing continuous-variable quantum key distribution. Twit Text FOAVip Efficient entanglement distillation without quantum memory ????Nat Commun http://www.kidney.de/pget.php?&tw=1&pmid=27241946 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=27241946 #FOAvip English Wikipedia <ref>{{Cite pmid|27241946}}</ref> Efficient entanglement distillation without quantum memory #MMPMID27241946 Abdelkhalek D; Syllwasschy M; Cerf NJ; Fiurá?ek J; Schnabel R Nat Commun 2016[]; 7 (ä): ä PMID27241946show ga Entanglement distribution between distant parties is an essential component to most quantum communication protocols. Unfortunately, decoherence effects such as phase noise in optical fibres are known to demolish entanglement. Iterative (multistep) entanglement distillation protocols have long been proposed to overcome decoherence, but their probabilistic nature makes them inefficient since the success probability decays exponentially with the number of steps. Quantum memories have been contemplated to make entanglement distillation practical, but suitable quantum memories are not realised to date. Here, we present the theory for an efficient iterative entanglement distillation protocol without quantum memories and provide a proof-of-principle experimental demonstration. The scheme is applied to phase-diffused two-mode-squeezed states and proven to distil entanglement for up to three iteration steps. The data are indistinguishable from those that an efficient scheme using quantum memories would produce. Since our protocol includes the final measurement it is particularly promising for enhancing continuous-variable quantum key distribution. äEfficient entanglement distillation without quantum memory (epmc).pdf DeepDyve Pubget Overpricing