Detection loophole in asymmetric Bell experiments

Christoph Simon; Nicolas Brunner; Nicolas Gisin; Valerio Scarani

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Detection loophole in asymmetric Bell experiments

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arxiv quant-ph/0702130 v2 pith:MUF3BWM2 submitted 2007-02-13 quant-ph

Nicolas Brunner , Nicolas Gisin , Valerio Scarani , Christoph Simon This is my paper

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keywords detectionasymmetricbellloopholeaddressedalwaysatom-photonclosing

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The problem of closing the detection loophole with asymmetric systems, such as entangled atom-photon pairs, is addressed. We show that, for the Bell inequality I_3322, a minimal detection efficiency of 43% can be tolerated for one of the particles, if the other one is always detected. We also study the influence of noise and discuss the prospects of experimental implementation.

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