Fringe Visibility and Which-Way Information in an Atom Interferometer
Abstract
We experimentally investigate the reduction of the fringe visibility in an atom interferometer due to the storage of which-way information. We focus on the case of incomplete which-way information and use the distinguishability $D$ to quantify how much information is stored. For a given value of $D$, the fringe visibility $V$ is limited by the duality relation ${D}^{2}{+V}^{2}\ensuremath{\le}1$. We have measured $D$ and $V$ independently. Combining the results, we find good agreement with the duality relation.
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After re-normalizing each energy eij by its maximal value, the authors obtain good agreement with the theoretical prediction for the complementarity relation.
“In order to demonstrate the complementarity relation[48] we re-normalized each energy e ij by its maximal value e max ij and obtain a good agreement with the theoretical prediction shown in Fig.5b.”
From Quantum simulation of the wavefunction to probe frustrated Heisenberg spin systems (2011) · cites this paper as [48]
Cites
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Quantum dynamics of single trapped ions
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- Authors
- Dürr, S., Nonn, T., & Rempe, G.
- Affiliations
- University of Konstanz (DE)
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1998-12-28
- Volume
- 81
- Issue
- 26
- Pages
- 5705-5709
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2038275673
- Cited by
- 205
- References
- 11
- Citations by year
- 2026: 5 · 2025: 4 · 2024: 5 · 2023: 7 · 2022: 3 · 2021: 8 · 2020: 8 · 2019: 7 · 2018: 8 · 2017: 9 · 2016: 6 · 2015: 11 · 2014: 7 · 2013: 1 · 2012: 2
- FWCI
- 5.86
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Physical Review Letters (publishedVersion)
- Topics
- 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 › Cold Atom Physics and Bose-Einstein Condensates
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum optics and atomic interactions
- Keywords
- atom interferometry, fringe visibility, which-way information, distinguishability, duality relations, quantum interference
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