Resolving mutually-coherent point sources of light with arbitrary statistics - Archive ouverte HAL
Article Dans Une Revue Physical Review Research Année : 2022

Resolving mutually-coherent point sources of light with arbitrary statistics

Résumé

We analyze the problem of resolving two mutually coherent point sources with arbitrary quantum statistics, mutual phase, and relative and absolute intensity. We use a sensitivity measure based on the method of moments and compare direct imaging with spatial-mode demultiplexing (SPADE), analytically proving advantage of the latter. We show that the moment-based sensitivity of SPADE saturates the quantum Fisher information for all known cases, even for non-Gaussian states of the sources.
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Dates et versions

hal-03806257 , version 1 (07-10-2022)

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Ilya Karuseichyk, Giacomo Sorelli, Mattia Walschaers, Manuel Gessner, Nicolas Treps. Resolving mutually-coherent point sources of light with arbitrary statistics. Physical Review Research, 2022, 4 (043010), ⟨10.1103/PhysRevResearch.4.043010⟩. ⟨hal-03806257⟩
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