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  4. Nonlocal quantum differentiation between polarization objects using entanglement
 
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2024
Journal Article
Title

Nonlocal quantum differentiation between polarization objects using entanglement

Abstract
For a wide range of applications, a fast, non-destructive, remote, and sensitive identification of samples with predefined characteristics is preferred instead of their full characterization. In this work, we report on the experimental implementation of a nonlocal quantum measurement scheme, which allows for differentiation among samples out of a predefined set of transparent and birefringent objects in a distant optical channel. The measurement is enabled by application of polarization-entangled photon pairs and is based on remote state preparation. On an example set of more than 80 objects characterized by different Mueller matrices, we show that only two coincidence measurements are already sufficient for successful discrimination. The number of measurements needed for sample differentiation is significantly decreased compared to a comprehensive polarimetric analysis. Our results demonstrate the potential of this polarization detection method for polarimetric applications in biomedical diagnostics, remote sensing, and other classification/detection tasks.
Author(s)
Besaga, Vira R.
Zhang, Luosha
Vega, Andres
Chauhan, Purujit Singh
Fraunhofer-Institut für Angewandte Optik und Feinmechanik IOF  
Siefke, Thomas
Fraunhofer-Institut für Angewandte Optik und Feinmechanik IOF  
Steinlechner, Fabian Oliver  
Fraunhofer-Institut für Angewandte Optik und Feinmechanik IOF  
Pertsch, Thomas  
Fraunhofer-Institut für Angewandte Optik und Feinmechanik IOF  
Sukhorukov, Andrey A.
Setzpfandt, Frank  
Fraunhofer-Institut für Angewandte Optik und Feinmechanik IOF  
Journal
APL photonics  
Open Access
DOI
10.1063/5.0190665
Language
English
Fraunhofer-Institut für Angewandte Optik und Feinmechanik IOF  
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