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Updated: Jun 8, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
Complex degree of mutual polarization in randomly scattered fields
1College of Optics and Photonics, CREOL, University of Central Florida, Orlando, Florida 32816, USA.
Spatial variations in light field polarization reveal its origin. The complex degree of mutual polarization identifies sources of random electromagnetic fields, distinguishing even similar fields from a single light-matter interaction.
Area of Science:
- Optics and Photonics
- Statistical Physics
Background:
- Random electromagnetic fields exhibit intensity fluctuations and polarization variations.
- Light-matter interactions generate complex scattered fields with statistical properties.
Purpose of the Study:
- To demonstrate that spatial variability in vectorial properties of random fields contains origin information.
- To show that high-order polarization correlations can identify sources of different random fields.
Main Methods:
- Analysis of spatial variability of vectorial properties in random fields.
- Utilizing the complex degree of mutual polarization to probe high-order polarization correlations.
Main Results:
- Spatial variability of vectorial properties encodes information about the field's origin.
- The complex degree of mutual polarization effectively identifies sources of random fields.
- Efficient discrimination between scattered fields of different origins is possible from a single realization.
Conclusions:
- The spatial polarization structure of random fields is a powerful indicator of their origin.
- High-order polarization correlations, quantified by the complex degree of mutual polarization, are key to source identification.
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