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Photonic Quantum Computing
Delayed Choice Quantum Eraser Experiment Revisited: Causality and Informational Coherence
arXiv
Authors: Taku Ohwada
Year
2025
Paper ID
16524
Status
Preprint
Abstract Read
~2 min
Abstract Words
67
Citations
N/A
Abstract
An operationally well-defined delayed-choice quantum-eraser experiment is proposed, realizing a genuine delayed choice within presently available quantum-optical technology. A multimode quantum memory supplies a controlled and verifiable delay, ensuring that the choice operation is applied strictly after the observation event. Electronic single-photon interference detection measurements furnish a direct statistical discriminator between the causal and informational coherence hypotheses, based solely on marginal detection statistics and without any post-selection.
Why This Paper Matters
- This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
- It adds a 2025 reference point for readers tracking recent quantum research.
- An operationally well-defined delayed-choice quantum-eraser experiment is proposed, realizing a genuine delayed choice within presently available quantum-optical technology.
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