Approaching the Quantum Limit of sub-Diffraction Incoherent Barcode Reading

Michael R. Grace; Mark A. Neifeld; Amit Ashok; Saikat Guha

doi:10.1364/COSI.2021.CF4B.1

OSA Imaging and Applied Optics Congress 2021 (3D, COSI, DH, ISA, pcAOP)
OSA Technical Digest (Optica Publishing Group, 2021),
paper CF4B.1
•https://doi.org/10.1364/COSI.2021.CF4B.1

Approaching the Quantum Limit of sub-Diffraction Incoherent Barcode Reading

Michael R. Grace, Mark A. Neifeld, Amit Ashok, and Saikat Guha

Computational Optical Sensing and Imaging 2021

Washington, DC United States
19–23 July 2021
ISBN: 978-1-943580-89-7

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M. R. Grace, M. A. Neifeld, A. Ashok, and S. Guha, "Approaching the Quantum Limit of sub-Diffraction Incoherent Barcode Reading," in OSA Imaging and Applied Optics Congress 2021 (3D, COSI, DH, ISA, pcAOP), H. Hua, B. Javidi, M. Martinez-Corral, O. Matoba, A. Stern, S. Thibault, T. Alieva, J. Ke, F. Willomitzer, F. Okten, P. Silveira, P. Banerjee, E. Stoykova, D. Chu, J. Park, F. Imai, C. Joo, M. Digman, D. Gardner, S. Gladysz, D. LeMaster, S. Basu, and O. Korotkova, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper CF4B.1.

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Abstract

We developed a quantum-inspired adaptive algorithm using spatial-mode-demultiplexing measurements to read incoherently illuminated barcodes at large distances. In simulations, our scheme accurately discriminates barcodes in 20x less time than direct imaging at a standoff of 1 km.

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