Evidence map›Paper›PMID 39634748›Full record

ArticleNanophotonics (Berlin, Germany)2022

Mode manipulation in a ring-core fiber for OAM monitoring and conversion.

Guowei Wu, Shecheng Gao, Jiajing Tu, Lei Shen, Yuanhua Feng, Qi Sui, Weiping Liu, Zhaohui Li

Abstract read
In one paragraph

Article in Nanophotonics (Berlin, Germany), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing 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

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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

3 citing papers in PubMed.

  1. Article
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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

8 authors.

Guowei WuDepartment of Electronic Engineering, College of Information Science and Technology, Jinan University, Guangzhou 510632, China.ORCID https://orcid.org/0000-0001-8892-9065
Shecheng GaoDepartment of Electronic Engineering, College of Information Science and Technology, Jinan University, Guangzhou 510632, China.
Jiajing TuDepartment of Electronic Engineering, College of Information Science and Technology, Jinan University, Guangzhou 510632, China.
Lei ShenState Key Laboratory of Optical Fiber and Cable Manufacture Technology, Yangtze Optical Fiber and Cable Joint Stock Limited Company, Wuhan 430073, China.
Yuanhua FengDepartment of Electronic Engineering, College of Information Science and Technology, Jinan University, Guangzhou 510632, China.
Qi SuiSouthern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519000, China.
Weiping LiuDepartment of Electronic Engineering, College of Information Science and Technology, Jinan University, Guangzhou 510632, China.
Zhaohui LiSouthern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519000, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The monitoring and conversion of photonic orbital angular momentum (OAM) play fundamental and important roles for both classic and quantum technologies, especially in low-loss transmission media such as ring-core fibers (RCFs), which make many OAM applications practical or vastly more flexible. However, in a RCF, the modes associated with different OAM states are highly overlapping due to the circular refractive index distribution structure, which makes it difficult to distinguish and monitor the OAM modes and in turn limits its inline conversion. Here, we report the first experimental realization of mode monitoring in a RCF using mode filters (MFs), which takes advantage of the difference in the mode adiabatic evolution and the higher-order mode cutoff conditions in tapered RCFs. Different-order OAM can be filtered using MFs with different geometric parameters, as demonstrated by the linearly polarized mode intensity. Combined the mode manipulations in RCF and single-mode fiber, the fundamental mode coupling efficiency can reach 90%, the RCF mode conversion monitoring through inline transmission spectrum evolution can be realized, and the inline fabrication of RCF grating, which couples one mode to a desired mode, can be demonstrated by the fabricating process of three long-period fiber gratings. The mode conversion efficiency between 0-order and 1, 2- or 3-order OAM modes exceeds 96%. Our work provides an efficient approach to monitor and convert OAM modes in higher-order mode supporting RCFs and even other special fibers and further promotes the improvement of the capacity of OAM transmission in RCFs.

Indexed as

long-period fiber gratingmode filtermode manipulationring-core fiber

Identifiers

PMID39634748
PMCPMC11501401

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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.