Evidence map›Paper›PMID 40016205›Full record

ArticleNature communications2025

Space-time wave packets in multimode optical fibers with controlled dynamic motions and tunable group velocities.

Xinzhou Su, Kaiheng Zou, Yingning Wang, Murat Yessenov, Huibin Zhou, Hao Song, Wing Ko, Ruoyu Zeng, Abdulrahman Alhaddad, Murale Ramakrishnan and 5 more

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Article
  2. Review
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

15 authors.

Xinzhou Su *Department of Electrical and Computer Engineering, Univ. of Southern California, Los Angeles, CA, USA. xinzhous@usc.edu.ORCID http://orcid.org/0000-0003-2520-4475
Kaiheng Zou *Department of Electrical and Computer Engineering, Univ. of Southern California, Los Angeles, CA, USA.ORCID http://orcid.org/0000-0002-8596-6191
Yingning WangDepartment of Electrical and Computer Engineering, Univ. of Southern California, Los Angeles, CA, USA.
Murat YessenovCREOL, The College of Optics & Photonics, University of Central Florida, Orlando, FL, USA.
Huibin ZhouDepartment of Electrical and Computer Engineering, Univ. of Southern California, Los Angeles, CA, USA.ORCID http://orcid.org/0000-0001-5570-0950
Hao SongDepartment of Electrical and Computer Engineering, Univ. of Southern California, Los Angeles, CA, USA.
Wing KoDepartment of Electrical and Computer Engineering, Univ. of Southern California, Los Angeles, CA, USA.ORCID http://orcid.org/0009-0008-6478-4015
Ruoyu ZengDepartment of Electrical and Computer Engineering, Univ. of Southern California, Los Angeles, CA, USA.
Abdulrahman AlhaddadDepartment of Electrical and Computer Engineering, Univ. of Southern California, Los Angeles, CA, USA.
Murale RamakrishnanDepartment of Electrical and Computer Engineering, Univ. of Southern California, Los Angeles, CA, USA.ORCID http://orcid.org/0009-0009-1892-4838
Yuxiang DuanDepartment of Electrical and Computer Engineering, Univ. of Southern California, Los Angeles, CA, USA.ORCID http://orcid.org/0000-0002-7130-8251
Ayman F AbouraddyCREOL, The College of Optics & Photonics, University of Central Florida, Orlando, FL, USA.ORCID http://orcid.org/0000-0002-4987-5495
Moshe TurSchool of Electrical Engineering, Tel Aviv University, Ramat Aviv, Israel.
Demetrios N ChristodoulidesDepartment of Electrical and Computer Engineering, Univ. of Southern California, Los Angeles, CA, USA.ORCID http://orcid.org/0000-0003-3630-7234
Alan E WillnerDepartment of Electrical and Computer Engineering, Univ. of Southern California, Los Angeles, CA, USA. willner@usc.edu.ORCID http://orcid.org/0000-0002-7339-4376

Funding

Qualcomm Qualcomm Innovation FellowshipUnited States Department of Defense | United States Air Force | AFMC | Air Force Office of Scientific Research (AF Office of Scientific Research) FA9550-20-1-0152United States Department of Defense | United States Navy | ONR | Office of Naval Research Global (ONR Global) N00014-20-1-2789
6 · The paper itself

Abstract

Space-time wave packets (STWPs) with correlated spatial and frequency degrees of freedom exhibit time-dependent spatial interference, thereby giving rise to interesting dynamic evolution behaviors. While versatile spatiotemporal phenomena have been demonstrated in freely propagating fields, coupling spatiotemporal light into multimode fibers remains a fundamental experimental challenge. Whereas synthesizing freely propagating STWPs typically relies on a continuum of plane-wave modes, their multimode-fiber counterparts must be constructed from the discrete set of fiber modes whose propagation constants depend on fiber structures. Here, we demonstrate STWPs with axially controllable motion of the transverse profile and reconfigurable group velocity in graded-index multimode fibers. This is accomplished by introducing a linear association between frequency comb lines and corresponding fiber modes. The synthesized STWPs present dynamic rotation and translation with a 4.8-ps period. Simultaneously, the group velocity can be tuned from positive subluminal and superluminal to negative values (e.g., 0.870, 1.35, 10, and -3.3 × 10

Identifiers

PMID40016205
PMCPMC11868423

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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.