Evidence map›Paper›PMID 37743941›Full record

ArticleACS photonics2023

Additive GaN Solid Immersion Lenses for Enhanced Photon Extraction Efficiency from Diamond Color Centers.

Xingrui Cheng, Nils Kolja Wessling, Saptarsi Ghosh, Andrew R Kirkpatrick, Menno J Kappers, Yashna N D Lekhai, Gavin W Morley, Rachel A Oliver, Jason M Smith, Martin D Dawson and 2 more

Abstract read
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In one paragraph

Article in ACS photonics, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. 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

12 authors.

Xingrui ChengDepartment of Engineering Science, University of Oxford, Oxford OX1 3PH, U.K.ORCID https://orcid.org/0000-0002-0699-2317
Nils Kolja WesslingInstitute of Photonics, Department of Physics, University of Strathclyde, Glasgow G1 1RD, U.K.ORCID https://orcid.org/0000-0002-6182-3567
Saptarsi GhoshCambridge Centre for Gallium Nitride, University of Cambridge, Cambridge CB3 0FS, U.K.ORCID https://orcid.org/0000-0003-1685-6228
Andrew R KirkpatrickDepartment of Engineering Science, University of Oxford, Oxford OX1 3PH, U.K.
Menno J KappersCambridge Centre for Gallium Nitride, University of Cambridge, Cambridge CB3 0FS, U.K.
Yashna N D LekhaiDepartment of Physics, University of Warwick, Coventry CV4 7AL, U.K.
Gavin W MorleyDepartment of Physics, University of Warwick, Coventry CV4 7AL, U.K.
Rachel A OliverCambridge Centre for Gallium Nitride, University of Cambridge, Cambridge CB3 0FS, U.K.ORCID https://orcid.org/0000-0003-0029-3993
Jason M SmithDepartment of Materials, University of Oxford, Oxford OX1 3PJ, U.K.
Martin D DawsonInstitute of Photonics, Department of Physics, University of Strathclyde, Glasgow G1 1RD, U.K.
Patrick S SalterDepartment of Engineering Science, University of Oxford, Oxford OX1 3PH, U.K.
Michael J StrainInstitute of Photonics, Department of Physics, University of Strathclyde, Glasgow G1 1RD, U.K.ORCID https://orcid.org/0000-0002-9752-3144

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Effective light extraction from optically active solid-state spin centers inside high-index semiconductor host crystals is an important factor in integrating these pseudo-atomic centers in wider quantum systems. Here, we report increased fluorescent light collection efficiency from laser-written nitrogen-vacancy (NV) centers in bulk diamond facilitated by micro-transfer printed GaN solid immersion lenses. Both laser-writing of NV centers and transfer printing of micro-lens structures are compatible with high spatial resolution, enabling deterministic fabrication routes toward future scalable systems development. The micro-lenses are integrated in a noninvasive manner, as they are added on top of the unstructured diamond surface and bonded by van der Waals forces. For emitters at 5 μm depth, we find approximately 2× improvement of fluorescent light collection using an air objective with a numerical aperture of NA = 0.95 in good agreement with simulations. Similarly, the solid immersion lenses strongly enhance light collection when using an objective with NA = 0.5, significantly improving the signal-to-noise ratio of the NV center emission while maintaining the NV's quantum properties after integration.

Identifiers

PMID37743941
PMCPMC10515637

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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.