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Physical Review A

Reply to ‘‘Phase measurements’’

J. W. Noh, A. Fougères, L. Mandeļ

Published May 1, 1993• 8 citations
Publisher

Abstract

In response to the Comment by Barnett and Pegg [preceding paper, Phys. Rev. A 47, 4537 (1993)] it is pointed out that their objection is really based on a different measurement scheme. If our measurement procedure is repeated many times with different phase shifters inserted at one input port, the method yields an almost continuous probability density.

DOI
10.1103/physreva.47.4541

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In response to the Comment by Barnett and Pegg [preceding paper, Phys. Rev. A 47, 4537 (1993)] it is pointed out that their objection is really based on a different measurement scheme. If our measurement procedure is repeated many times with different phase shifters inserted at one input port, the method yields an almost continuous probability density.
In response to Hradil's Comment [preceding Comment, Phys. Rev. A 47, 4532 (1993)], we point out that his prescription for putting both the cosine and sine equal to zero when the data yield n3{\mathit{n}}_{3}n3​=n4{\mathit{n}}_{4}n4​ and n5{\mathit{n}}_{5}n5​=n6{\mathit{n}}_{6}n6​ can lead to meaningless results. Moreover, Hradil's Eq. (5) for obtaining D2{\mathit{D}}^{2}D2 from the measured variance leads to disagreement with experiment. Finally, it is possible to obtain a continuous spectrum of phases with our technique.