References & Citations
Quantum Physics
Title: Phase-space quantum Wiener-Khintchine theorem
(Submitted on 13 Jun 2022 (v1), last revised 6 Sep 2022 (this version, v2))
Abstract: We derive a quantum version of the classical-optics Wiener-Khintchine theorem within the framework of detection of phase-space displacements with a suitably designed quantum ruler. A phase-pace based quantum mutual coherence function is introduced that includes the contribution of the detector. We obtain an universal equality linking resolution with coherence. This is illustrated with the case of Gaussian states and number states.
Submission history
From: Alfredo Luis [view email][v1] Mon, 13 Jun 2022 10:19:20 GMT (39kb,D)
[v2] Tue, 6 Sep 2022 08:28:29 GMT (42kb,D)
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