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This work explores repurposing OAM diffusion as a storage resource for quantum memory, aiming to improve photonic qubit retrieval.

August 6, 2026Open Access

Reusing Erasure-Biased OAM Diffusion as a Storage Resource: A Loop-Buffer Memory and Its Loss Budget

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Theoretical work demonstrates using OAM diffusion for quantum memory, suggesting implications for optical engineering.

This work explores repurposing OAM diffusion as a storage resource for quantum memory, aiming to improve photonic qubit retrieval.
Analyzed the diffusion mechanism of OAM based on Skellam/Bessel statistics.
Developed a hardware loss model incorporating optical-switch and fiber splice losses.
Evaluated memory lifetime in relation to hardware loss budgets through numerical methods.
Under mode-independent hardware loss conditions, loop losses do not affect logical fidelity but decrease successful retrieval probabilities.
Quantified the engineering requirements for practical OAM-based quantum memory implementation, emphasizing the importance of reducing optical-switch losses.

Jean-yves Lozac'h (2026) studied this question.

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