Articles written in Pramana – Journal of Physics
Volume 56 Issue 2-3 February 2001 pp 153-159 Foundations Of Quantum Theory
We describe the realisation of a new test of Bell inequalities using a new scheme obtained by the superposition of type I parametric down conversion produced in two different non-linear crystals pumped by the same laser, but with different polarisations. This experiment is the first test of Bell inequalities using a non-maximally entangled state and thus represents an important step in the direction of eliminating the detection loophole.
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