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Generation of Large Photon-Number Cat States using Linear Optics and Quantum Memory
N. J. Cerf, J. Fiurasek, S. Iblisdir +1
A recursive method for producing path-entangled states of light is presented. These states may find applications in quantum lithography and high-precision interferometric measureme…
Violation of local realism vs detection efficiency
Serge Massar, Stefano Pironio
We put bounds on the minimum detection efficiency necessary to violate local realism in Bell experiments. These bounds depends of simple parameters like the number of measurement s…
Combinatorics and Quantum Nonlocality
Harry Buhrman, Peter Hoyer, Serge Massar +1
We use techniques for lower bounds on communication to derive necessary conditions (in terms of detector efficiency or amount of super-luminal communication) for being able to repr…
A Zoology of Bell inequalities resistant to detector inefficiency
Serge Massar, Stefano Pironio, Jeremie Roland +1
We derive both numerically and analytically Bell inequalities and quantum measurements that present enhanced resistance to detector inefficiency. In particular we describe several…
Multipartite Greenberger-Horne-Zeilinger paradoxes for continuous variables
Serge Massar, Stefano Pironio
We show how to construct Greenberger-Horn-Zeilinger type paradoxes for continuous variable systems. We give two examples corresponding to 3 party and 5 party paradoxes. The paradox…
Multipartite Classical and Quantum Secrecy Monotones
N. J. Cerf, S. Massar, S. Schneider
In order to study multipartite quantum cryptography, we introduce quantities which vanish on product probability distributions, and which can only decrease if the parties carry out…