Characterization of quantum processes with a faulty Bell-state analyzer
نویسندگان
چکیده
Accuracy of quantum process estimation is limited to noisy operations in the preparations and measurements devices. Such imperfections may lead to inaccuracies in the process reconstruction due to the fact that standard data analysis techniques presume ideal devices. Here, we provide a scheme for estimation of completely positive quantum maps acting on qubit systems using calibrated faidty state generator and analyzer. Specifically, we present a generalization of "Direct Characterization of Quantum Dynamics" [M. Mohseni and D. A. Lidar, 97,170501 (2006)] with an imperfect Bell-state analyzer.
منابع مشابه
Quantum process estimation via generic two-body correlations
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. Performance of quantum process estimation is naturally limited by fundamental, random, and systematic imperfections...
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