Experimental demonstration of decoherence suppression via quantum measurement reversal

Details Experimental demonstration of decoherence suppression via quantum measurement reversal Experimental demonstration of decoherence suppression via quantum measurement reversal

2011-02-07

arxiv.org/abs/1102.1303v2

Optics Express, Vol. 19, Issue 17, pp. 16309-16316 (2011)

Physics

Quantum Physics

Scientific paper

10.1364/OE.19.016309

Taming decoherence is essential in realizing quantum computation and quantum communication. Here we experimentally demonstrate that decoherence due to amplitude damping can be suppressed by exploiting quantum measurement reversal in which a weak measurement and the reversing measurement are introduced before and after the decoherence channel, respectively. We have also investigated the trade-off relation between the degree of decoherence suppression and the channel transmittance.

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