Quantum calibration of measurement instrumentation.
نویسندگان
چکیده
By quantum calibration we name an experimental procedure apt to completely characterize an unknown measurement apparatus by comparing it with a few other calibrated apparatuses. Here we show how to achieve the calibration of an arbitrary measuring apparatus, by using it in combination with a tomographer in a correlation setup with an input bipartite system. The method is robust to imperfections of the tomographer, and works for practically any input state of the bipartite system.
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ورودعنوان ژورنال:
- Physical review letters
دوره 93 25 شماره
صفحات -
تاریخ انتشار 2004