Laser-written waveguide-integrated coherent spins in diamond-Reference-Cited by-同舟云学术

Laser-written waveguide-integrated coherent spins in diamond

Published:2024-07-01 Issue:7 Volume:9 Page:
ISSN:2378-0967
Container-title:APL Photonics
language:en
Short-container-title:

Author:

Guo Yanzhao¹²^ORCID,Hadden John P.¹²^ORCID,Gorrini Federico³⁴^ORCID,Coccia Giulio⁵^ORCID,Bharadwaj Vibhav⁶⁷⁸^ORCID,Kavatamane Vinaya Kumar⁹^ORCID,Alam Mohammad Sahnawaz¹⁰^ORCID,Ramponi Roberta⁵⁶^ORCID,Barclay Paul E.⁹^ORCID,Chiappini Andrea¹¹^ORCID,Ferrari Maurizio¹¹^ORCID,Kubanek Alexander⁷^ORCID,Bifone Angelo¹³^ORCID,Eaton Shane M.⁶^ORCID,Bennett Anthony J.¹²^ORCID

Affiliation:

1. School of Engineering, Cardiff University 1 , Queen’s Buildings, The Parade, Cardiff CF24 3AA, United Kingdom

2. Translational Research Hub 2 , Cardiff University, Maindy Road, Cardiff CF24 4HQ, United Kingdom

3. Department of Molecular Biotechnology and Health Sciences, University of Torino 3 , Via Nizza 52, 10126 Torino, Italy

4. Dipartimento Scienza Applicata e Tecnologia, Politecnico di Torino 4 , Corso Duca degli Abruzzi 24, 10129 Torino, Italy

5. Department of Physics, Politecnico di Milano 5 , Piazza Leonardo da Vinci, 32, 20133 Milano, Italy

6. Institute for Photonics and Nanotechnologies (IFN-CNR) 6 , Piazza Leonardo da Vinci, 32, 20133 Milano, Italy

7. Institute for Quantum Optics, Ulm University 7 , D-89081 Ulm, Germany

8. Department of Physics, Indian Institute of Technology 8 , Guwahati, Assam 781039, India

9. Institute for Quantum Science and Technology, University of Calgary 9 , Calgary, Alberta T2N 1N4, Canada

10. Institute of Theoretical Physics, Wrocław University of Science and Technology 10 , 50-370 Wrocław, Poland

11. Institute of Photonics and Nanotechnology of the National Research Council (IFN-CNR), Characterization and Development of Materials for Photonics and Optoelectronics (CSMFO) and The Centre for Materials and Microsystems (FBK-CMM) 11 , 38123 Trento, Italy

Abstract

Quantum emitters, such as the negatively charged nitrogen-vacancy center in diamond, are attractive for quantum technologies, such as nano-sensing, quantum information processing, and as a non-classical light source. However, it is still challenging to position individual emitters in photonic structures while preserving the spin coherence properties of the defect. In this paper, we investigate single and ensemble waveguide-integrated nitrogen-vacancy centers in diamond fabricated by femtosecond laser writing followed by thermal annealing. Their spin coherence properties are systematically investigated and are shown to be comparable to native nitrogen-vacancy centers in diamond. This method paves the way for the fabrication of coherent spins integrated within photonic devices.

Funder

EPSRC Center for Doctoral Training in Additive Manufacturing

H2020 Marie Skłodowska-Curie Actions

Publisher

AIP Publishing

Link

https://pubs.aip.org/aip/app/article-pdf/doi/10.1063/5.0209294/20025802/076103_1_5.0209294.pdf

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