Nonlinearity enhanced Fisher information for two-point super-resolution

S. A. Wadood; Shaurya Aarav; Jason W Fleischer

doi:10.1364/NLO.2023.M3A.1

Optica Nonlinear Optics Topical Meeting 2023
Technical Digest Series (Optica Publishing Group, 2023),
paper M3A.1
•https://doi.org/10.1364/NLO.2023.M3A.1

Nonlinearity enhanced Fisher information for two-point super-resolution

S. A. Wadood, Shaurya Aarav, and Jason W Fleischer

Nonlinear Optics 2023

Honolulu, Hawaii United States
10–13 July 2023
ISBN: 978-1-957171-23-4

From the session
Novel Nonlinear Effects I: Applications (M3A)

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S. A. Wadood, S. Aarav, and J. W. Fleischer, "Nonlinearity enhanced Fisher information for two-point super-resolution," in Optica Nonlinear Optics Topical Meeting 2023, Technical Digest Series (Optica Publishing Group, 2023), paper M3A.1.

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Abstract

We show that a nonlinear phase plate greatly increases the Fisher information for estimating the separation between two point sources. Nonlinearity enables resolution beyond the quantum limit from linear theory.

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