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Nano-displacement measurements using spatially multimode squeezed light

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N. Treps, N. Grosse, W.P. Bowen, M.T.L. Hsu, A. Maitre, C. Fabre, H.-A. Bachor, P.K. Lam

Quantum Physics · Submitted 19 Nov 2003

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim We demonstrate the possibility of surpassing the quantum noise limit for simultaneous multi-axis spatial displacement measurements that have zero mean values.

how it is stated · hedged possibility 0.65 read the record →

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arXiv IDquant-ph/0311122 (version 1)
Pith IDXUNAUXKH, Pith's permanent record of this paper and its review
CitationA. Maitre, C. Fabre, H.-A. Bachor, M.T.L. Hsu, N. Grosse, N. Treps, P.K. Lam, W.P. Bowen. "Nano-displacement measurements using spatially multimode squeezed light." arXiv:quant-ph/0311122 (2003). https://pith.science/paper/XUNAUXKH
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The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13.0 via TypeSafe API, question bank abstract-p1-20260923, 2026-09-23: 1 request, 3,602 input tokens.

What the abstract itself states, as probabilities: claims first 0.06 · states limitation 0.41 · human participants 0.02 · controlled comparison 0.41 · randomized assignment 0.01 · states quantitative result 0.99 · compares with prior results 0.56 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

We demonstrate the possibility of surpassing the quantum noise limit for simultaneous multi-axis spatial displacement measurements that have zero mean values. The requisite resources for these measurements are squeezed light beams with exotic transverse mode profiles. We show that, in principle, lossless combination of these modes can be achieved using the non-degenerate Gouy phase shift of optical resonators. When the combined squeezed beams are measured with quadrant detectors, we experimentally demonstrate a simultaneous reduction in the transverse x- and y- displacement fluctuations of 2.2 dB and 3.1 dB below the quantum noise limit.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 We demonstrate the possibility of surpassing the quantum noise limit for simultaneous multi-axis spatial displacement measurements that have zero mean values. contribution 0.76 0.90 0.83 hedged possibility 0.65
s1 The requisite resources for these measurements are squeezed light beams with exotic transverse mode profiles. method 0.79 0.23 0.05 asserted 1.00
s2 We show that, in principle, lossless combination of these modes can be achieved using the non-degenerate Gouy phase shift of optical resonators. method 0.81 0.69 0.07 asserted 0.86
s3 When the combined squeezed beams are measured with quadrant detectors, we experimentally demonstrate a simultaneous reduction in the transverse x- and y- displacement fluctuations of 2.2 dB and 3.1 dB below the quantum noise limit. result 1.00 0.96 0.63 asserted 1.00

What kind of paper the classifier reports this is: empirical study 0.90 · evidence from observation or experiment 1.00.

What was examined, and what was not

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  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers
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  • P abstract
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  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

We demonstrate the possibility of surpassing the quantum noise limit for simultaneous multi-axis spatial displacement measurements that have zero mean values. The requisite resources for these measurements are squeezed light beams with exotic transverse mode profiles. We show that, in principle, lossless combination of these modes can be achieved using the non-degenerate Gouy phase shift of optical resonators. When the combined squeezed beams are measured with quadrant detectors, we experimentally demonstrate a simultaneous reduction in the transverse x- and y- displacement fluctuations of 2.2 dB and 3.1 dB below the quantum noise limit.

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