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Updated: May 14, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
Non-uniformly correlated partially coherent pulses
Hanna Lajunen1, Toni Saastamoinen
1Department of Physics and Mathematics, University of Eastern Finland, FI-80101 Joensuu, Finland.
Partially coherent plane-wave pulses exhibit unique propagation dynamics in dispersive media. Coherence effects can lead to accelerating or decelerating pulse peaks and self-focusing.
Area of Science:
- Optics and Photonics
- Wave Propagation
Background:
- Partially coherent light sources are crucial in various optical applications.
- Understanding pulse propagation in dispersive media is fundamental to optical science.
Purpose of the Study:
- To investigate the propagation dynamics of partially coherent plane-wave pulses.
- To analyze the impact of non-uniform correlation distributions on pulse behavior.
- To explore coherence-induced effects such as acceleration and self-focusing.
Main Methods:
- Modeling partially coherent plane-wave pulses with non-uniform correlations.
- Analyzing pulse propagation in linear second-order dispersive media.
- Introducing specific models for coherence functions in time and frequency domains.
Main Results:
- Demonstrated that the maximum peak of pulse energy can exhibit acceleration or deceleration.
- Showcased the possibility of self-focusing effects induced by coherence.
- Highlighted the influence of correlation distributions on propagation characteristics.
Conclusions:
- Coherence properties significantly influence the propagation dynamics of optical pulses.
- Non-uniform correlations can lead to novel pulse behaviors, including energy peak acceleration/deceleration and self-focusing.
- The findings offer insights into controlling and manipulating light pulses in dispersive environments.
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