We report the first experimental realization of an ‘‘optimal’’ quantum device able to perform a minimal disturbance measurement on polarization encoded qubits saturating the theoretical boundary established between the classical knowledge acquired of any input state, i.e., a ‘‘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, postselection measurement, and a classical feed-forward process.
Realization of a minimal disturbance quantum measurement / F., Sciarrino; Ricci, Marco; F., DE MARTINI; R., Filip; AND L., MISTA JR. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 96(2006).
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Titolo: | Realization of a minimal disturbance quantum measurement |
Autori: | |
Data di pubblicazione: | 2006 |
Rivista: | |
Citazione: | Realization of a minimal disturbance quantum measurement / F., Sciarrino; Ricci, Marco; F., DE MARTINI; R., Filip; AND L., MISTA JR. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 96(2006). |
Abstract: | We report the first experimental realization of an ‘‘optimal’’ quantum device able to perform a minimal disturbance measurement on polarization encoded qubits saturating the theoretical boundary established between the classical knowledge acquired of any input state, i.e., a ‘‘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, postselection measurement, and a classical feed-forward process. |
Handle: | http://hdl.handle.net/20.500.11770/151414 |
Appare nelle tipologie: | 1.1 Articolo in rivista |