Phase measurement with classical light
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In this paper we investigate whether it is, in general, possible to substitute maximally path-entangled states, namely, NOON states, with classical light in Doppleron-type resonant multiphoton detection processes by studying adaptive phase measurement with classical light. We show that multiphoton detection probability using classical light coincides with that of NOON states and the multiphoton absorption rate is not hindered by the spatially unconstrained photons of the classical light in our scheme. We prove that the optimal phase variance with classical light can be achieved and scales the same as that using NOON states. © 2012 American Physical Society.
author list (cited authors)
Wölk, S., Ge, W., & Zubairy, M. S.
complete list of authors
Wölk, Sabine||Ge, Wenchao||Zubairy, M Suhail