Evidence map›Paper›PMID 29736414›Full record

ArticleScience advances2018

Attosecond-resolution Hong-Ou-Mandel interferometry.

Ashley Lyons, George C Knee, Eliot Bolduc, Thomas Roger, Jonathan Leach, Erik M Gauger, Daniele Faccio

Abstract read
In one paragraph

Article in Science advances, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed.

  1. Article
  2. Quantum Light Spectroscopy.ACS central science · 2026
    Review
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  16. Article
  17. Two-parameter Hong-Ou-Mandel dip.Scientific reports · 2019
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Ashley LyonsSchool of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK.ORCID 0000-0002-5110-258X
George C KneeDepartment of Physics, University of Warwick, Coventry CV4 7AL, UK.ORCID 0000-0002-7203-0271
Eliot BolducSchool of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK.ORCID 0000-0003-4408-9572
Thomas RogerSchool of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK.
Jonathan LeachSchool of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK.
Erik M GaugerSchool of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK.ORCID 0000-0003-1232-9885
Daniele FaccioSchool of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK.ORCID 0000-0001-8397-334X

Funding

European Research Council
6 · The paper itself

Abstract

When two indistinguishable photons are each incident on separate input ports of a beamsplitter, they "bunch" deterministically, exiting via the same port as a direct consequence of their bosonic nature. This two-photon interference effect has long-held the potential for application in precision measurement of time delays, such as those induced by transparent specimens with unknown thickness profiles. However, the technique has never achieved resolutions significantly better than the few-femtosecond (micrometer) scale other than in a common-path geometry that severely limits applications. We develop the precision of Hong-Ou-Mandel interferometry toward the ultimate limits dictated by statistical estimation theory, achieving few-attosecond (or nanometer path length) scale resolutions in a dual-arm geometry, thus providing access to length scales pertinent to cell biology and monoatomic layer two-dimensional materials.

Identifiers

PMID29736414
PMCPMC5935478

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.