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Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
Tripartite Quantum Steering Dynamics in Photonic Systems Under Non-Markovian Dynamics
Smail Bougouffa1, Kamal Berrada1
1Department of Physics, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11432, Saudi Arabia.
Entropy (Basel, Switzerland)
|June 26, 2026
Summary
Non-Markovian environments significantly impact quantum steering dynamics in three-photon systems. The preservation and degradation of quantum correlations depend on environmental coupling and subsystem configurations, offering insights for quantum networks.
Area of Science:
- Quantum Information Science
- Quantum Optics
- Quantum Many-Body Systems
Background:
- Quantum steering is a crucial quantum correlation.
- Understanding its dynamics under environmental noise is vital for quantum technologies.
- Non-Markovian environments introduce memory effects that can alter quantum correlations.
Purpose of the Study:
- To investigate the non-Markovian dynamics of quantum steering in a tripartite photonic system.
- To analyze the influence of dephasing noise and memory effects on steering measures.
- To explore the role of initial entangled states (W-type and GHZ-type) and environmental configurations.
Main Methods:
- Development of a theoretical framework based on a single-photon dephasing model for three photons.
- Analysis of steering measures (SA-BC and SAB-C) for W-type and GHZ-type entangled states.
- Study of systems under various Markovian and non-Markovian environmental configurations with asymmetric memory effects.
Main Results:
- Tripartite steering dynamics are sensitive to the number of photons in non-Markovian environments and system partitioning.
- W-states exhibit death-revival cycles influenced by memory effect distribution.
- GHZ-states show multiple death-revival cycles or prolonged steering preservation depending on configurations.
- Non-Markovian environments influence steering via information backflow, sensitive to subsystem coupling and roles.
Conclusions:
- Non-Markovian effects significantly impact quantum steering preservation and degradation in tripartite photonic systems.
- The coupling configuration and subsystem roles critically determine the influence of non-Markovian environments.
- Findings offer insights into controlling quantum steering in photonic networks and quantum information processing.
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