Evidence map›Paper›PMID 32245136›Full record

ReviewMicromachines2020

State-of-the-Art and Perspectives on Silicon Waveguide Crossings: A Review.

Sailong Wu, Xin Mu, Lirong Cheng, Simei Mao, H Y Fu

Abstract readReview
In one paragraph

Review in Micromachines, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing 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

6 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

5 authors.

Sailong WuTsinghua-Berkeley Shenzhen Institute, Tsinghua University, Shenzhen 518055, China.
Xin MuTsinghua-Berkeley Shenzhen Institute, Tsinghua University, Shenzhen 518055, China.ORCID 0000-0001-6188-7969
Lirong ChengTsinghua-Berkeley Shenzhen Institute, Tsinghua University, Shenzhen 518055, China.
Simei MaoTsinghua-Berkeley Shenzhen Institute, Tsinghua University, Shenzhen 518055, China.
H Y FuTsinghua-Berkeley Shenzhen Institute, Tsinghua University, Shenzhen 518055, China.ORCID 0000-0002-4276-0011

Funding

Shenzhen Science and Technology Innovation Commission; Tsinghua-Berkeley Shenzhen Institute (TBSI) Faculty Start-up Fund Project: JCYJ20180507183815699, JCYJ20170818094001391, KQJSCX20170727163424873
6 · The paper itself

Abstract

In the past few decades, silicon photonics has witnessed a ramp-up of investment in both research and industry. As a basic building block, silicon waveguide crossing is inevitable for dense silicon photonic integrated circuits and efficient crossing designs will greatly improve the performance of photonic devices with multiple crossings. In this paper, we focus on the state-of-the-art and perspectives on silicon waveguide crossings. It reviews several classical structures in silicon waveguide crossing design, such as shaped taper, multimode interference, subwavelength grating, holey subwavelength grating and vertical directional coupler by forward or inverse design method. In addition, we introduce some emerging research directions in crossing design including polarization-division-multiplexing and mode-division-multiplexing technologies.

Indexed as

integrated opticsmultimode interference (MMI)multiplexing technologysilicon photonicssub-wavelength grating (SWG)waveguide crossing design

Identifiers

PMID32245136
PMCPMC7143419

What OpenQuestion holds

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Registered trials

None linked

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.