Interferometry as a binary decision problem
نویسنده
چکیده
Binary decision theory has been applied to the general interferometric problem. Optimal detection scheme|according to the Neyman-Pearson criterion|has been considered for di erent phase-enhanced states of radiation eld, and the corresponding bounds on minimum detectable phase shift has been evaluated. A general bound on interferometric precision has been also obtained in terms of photon number uctuations of the signal mode carrying the phase information.
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