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Subdiffusive dynamics in photonic random walks probed with classical light.

|October 15, 2024

Summary

This summary is machine-generated.

Intense classical light in dephasing dynamics shows subdiffusive walker behavior, distinct from classical and quantum walkers. This photonic random walk occurs in synthetic temporal lattices using coupled fiber loops.

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Area of Science:

Quantum optics
Nonlinear dynamics
Condensed matter physics

Background:

Photon random walks in tight-binding lattices demonstrate quantum-to-classical transitions via diffusive motion.
Classical random walks also exhibit diffusive behavior under decoherence.

Purpose of the Study:

To investigate subdiffusive walker dynamics in classical light.
To disentangle quantum and ensemble averaging in classical light dephasing dynamics.
To propose a novel experimental platform for observing distinct walker dynamics.

Main Methods:

Utilizing intense classical light with dephasing dynamics.
Implementing photonic random walks in synthetic temporal lattices.
Analyzing pulse dynamics in coupled fiber loops.

Main Results:

Observed subdiffusive walker dynamics in classical light, a behavior distinct from both classical and quantum walkers.
Demonstrated the ability to disentangle quantum and ensemble averaging through dephasing.
Successfully proposed and theoretically outlined a photonic random walk system.

Conclusions:

Classical light dephasing dynamics can lead to non-classical subdiffusive behavior.
Photonic random walks in synthetic temporal lattices offer a new route to explore novel transport regimes.
This work bridges concepts from quantum walks and classical light propagation.