Measurement of the Bell operator and quantum teleportation
Abstract
We propose a scheme for measuring an optical version of the Bell operator, using a generalization of the Hong-Ou-Mandel interferometer. Discrete-mode calculations show this to be sufficient to allow teleportation of the state of polarization of a photon with a conditional efficiency approaching 100%. The feasibility of the scheme is investigated through full broadband calculations.
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A linear optical Bell-state analyzer suggested by Weinfurter and by Braunstein and Mann is based on two-photon interference at a 50:50 beamsplitter and via coincidence analysis can distinguish two of the four Bell states.
“A linear optical Bell-state analyzer was suggested by Weinfurter (1994) and by Braunstein and Mann (1995).It is based on the two-photon interference effect at a 50:50 BS and via a coincidence analysis can distinguish two of the four Bell states.”
From Multiphoton entanglement and interferometry (2012) · cites this paper as Braunstein and Mann (1995)
It is sufficient for projecting photons 1 and 2 onto the antisymmetric state |ψ-〉12 to place detectors in each of the outputs of the beam splitter and to register simultaneous detections.
“It is thus sufficient for projecting photons 1 and 2 onto the antisymmetric state | ψ -〉 12 to place detectors in each of the outputs of the beam splitter and to register simultaneous detections (coincidence) [17-19].”
From Experimental quantum teleportation (1997) · cites this paper as [18]
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References 15 · Cited by 338
- Authors
- Braunstein, S. L., & Mann, A.
- Affiliations
- Weizmann Institute of Science (IL)
- Technion – Israel Institute of Technology (IL)
- Venue
- Physical Review A
- Publisher
- American Physical Society (APS)
- Published
- 1995-03-01
- Volume
- 51
- Issue
- 3
- Pages
- R1727-R1730
- ISSN
- 0556-2791 (ISSN-L)
- 1050-2947
- 1094-1622
- OpenAlex
- W2075441930
- Cited by
- 338
- References
- 15
- Citations by year
- 2026: 9 · 2025: 13 · 2024: 16 · 2023: 46 · 2022: 14 · 2021: 13 · 2020: 7 · 2019: 12 · 2018: 8 · 2017: 4 · 2016: 11 · 2015: 6 · 2014: 7 · 2013: 2 · 2012: 9
- FWCI
- 9.54
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Physical Review A (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
- quantum teleportation, Hong-Ou-Mandel interferometer, polarization entanglement, conditional efficiency
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