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Quantum Algorithms
Induced Coherence, Vacuum Fields, and Complementarity in Biphoton Generation
arXiv
Authors: A. Heuer, R. Menzel, P. W. Milonni
Year
2014
Paper ID
47418
Status
Preprint
Abstract Read
~2 min
Abstract Words
70
Citations
N/A
Abstract
We describe spontaneous parametric down-conversion experiments in which induced coherence across two coupled interferometers results in high-visibility single-photon interference. Opening additional photon channels allows "which-path" information and reduces the visibility of the singlephoton interference, but results in nearly perfect visibility when photons are counted in coincidence. A simplified theoretical model accounts for these complementary observations and attributes them directly to the relations among the vacuum fields at the different crystals.
Why This Paper Matters
- It adds a 2014 reference point for readers tracking recent quantum research.
- We describe spontaneous parametric down-conversion experiments in which induced coherence across two coupled interferometers results in high-visibility single-photon interference.
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