Phase-space quantum Wiener-Khintchine theorem



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Álvarez Marcos, Ainara and Luis Aina, Alfredo (2022) Phase-space quantum Wiener-Khintchine theorem. Optics letters, 47 (18). pp. 4604-4607. ISSN 0146-9592

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We derive a quantum version of the classical-optics Wiener-Khintchine theorem within the framework of detec-tion of phase-space displacements with a suitably designed quantum ruler. A phase-space-based quantum mutual coherence function is introduced that includes the contribu-tion of the detector. We obtain an universal equality linking resolution with coherence. This is illustrated with the case of Gaussian states and number states. (c) 2022 Optica Publishing Group

Item Type:Article
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© Optica Publishing Group
ArXiv version includes some of the last recommendations that were not included in the journal version.

Uncontrolled Keywords:Optics
Subjects:Sciences > Physics > Optics
ID Code:75473
Deposited On:11 Nov 2022 19:31
Last Modified:11 Nov 2022 19:31

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