Phase estimation based on four beam linear optical scheme

We demonstrate the operation of a four beam optical scheme realizing unitary Fourier transform. We show the high degree of control over the interference picture despite its complexity. Based on the devised scheme we propose an original phase estimation procedure employing maximum likelihood estimati...

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Bibliographic Details
Main Authors: Zemlyanov, V. V., Tsovianov, S. Y., Kirsanov, N. S., Solovyov, A. V., Lesovik, G. B.
Format: Conference Proceeding
Language:English
Subjects:
Fourier transforms
Maximum likelihood estimation
Online Access:Get full text
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Summary:We demonstrate the operation of a four beam optical scheme realizing unitary Fourier transform. We show the high degree of control over the interference picture despite its complexity. Based on the devised scheme we propose an original phase estimation procedure employing maximum likelihood estimation and incorporating additional scheme modification. The present work is an extension of the research in quantum computations with linear optics.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0054945