Two-particle interferometry
Abstract
An exposition is given of the fundamental ideas of the recently opened field of two-particle interferometry, which employs spatially separated, quantum mechanically entangled two-particle states. These ideas are illustrated by a realizable arrangement, in which four beams are selected from the output of a laser-pumped down-converting crystal, with two beams interferometrically combined at one locus and two at another. When phase shifters are placed in these beams, the coincident count rates at the two loci will oscillate as the phases are varied, but the single count rates will not.
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SPDC was shown to be a ready source of path entangled pairs by Horne, Shimony and Zeilinger (1989), and this was demonstrated independently by Rarity and Tapster (1990a).
“The process was shown to be a ready source of (path) entangled pairs by Horne, Shimony and Zeilinger (1989).This was demonstrated independently by Rarity and Tapster (1990a).”
From Multiphoton entanglement and interferometry (2012) · cites this paper as Horne, Shimony and Zeilinger (1989)
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References 11 · Cited by 286
- Authors
- Horne, M. A., Shimony, A., & Zeilinger, A.
- Affiliations
- Stonehill College (US)
- Boston University (US)
- Technical University of Munich (DE)
- ORCID
- Zeilinger, Anton
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1989-05-08
- Volume
- 62
- Issue
- 19
- Pages
- 2209-2212
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W2000871067
- Cited by
- 286
- References
- 11
- Citations by year
- 2026: 7 · 2025: 6 · 2024: 4 · 2023: 13 · 2022: 10 · 2021: 6 · 2020: 7 · 2019: 7 · 2018: 9 · 2017: 7 · 2016: 5 · 2015: 5 · 2014: 2 · 2013: 2 · 2012: 4
- FWCI
- 14.86
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Physical Review Letters (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Mechanics and Applications
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum optics and atomic interactions
- Keywords
- two-particle interferometry, quantum entanglement, entangled photon pairs, spontaneous parametric down-conversion, phase shifters, coincidence counts, quantum interference
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