Experimental realization of a minimal disturbance quantum measurement

Details Experimental realization of a minimal disturbance quantum measurement Experimental realization of a minimal disturbance quantum measurement

2005-10-13

arxiv.org/abs/quant-ph/0510097v1

Phys. Rev. Lett. 96, 020408 (2006)

Physics

Quantum Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.96.020408

We report the first experimental realization of an ''optimal'' quantum device able to perform a Minimal Disturbance Measurement (MDM) on polarization encoded qubits saturating the theoretical boundary established between the classical knowledge acquired of any input state, i.e. the classical "guess", and the fidelity of the same state after disturbance due to measurement . The device has been physically realized by means of a linear optical qubit manipulation, post-selection measurement and a classical feed-forward process.

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