Fully integrated and CMOS compatible, nanoscale Quantum enhanced magnetic SENSors for scalable submiliHertz, room temperature Nuclear Magnetic Resonance spectroscopy

Información del proyecto

QSENS-NMR

Identificador del acuerdo de subvención: 101018843

DOI

10.3030/101018843

Proyecto finalizado el 28 Febrero 2023

Fecha de la firma de la CE 19 Abril 2021

Fecha de inicio 16 Enero 2022

Fecha de finalización 15 Enero 2025

Financiado con arreglo a

• EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions

Coste total

€ 262 948,80

Aportación de la UE

€ 262 948,80

Coordinado por

UNIVERSITAET ULM
Germany

Periodic Reporting for period 1 - QSENS-NMR (Fully integrated and CMOS compatible, nanoscale Quantum enhanced magnetic SENSors for scalable submiliHertz, room temperature Nuclear Magnetic Resonance spectroscopy)

Período documentado: 2022-01-16 hasta 2024-01-15

Resumen del contexto y de los objetivos generales del proyecto

1) What is the problem being addressed?

The goal of the QSENS-NMR is to address the main challenges that prevent diamond material to scale up thousands of quantum sensors on a single chip. These mainly consider challenging and very expensive waveguide nanofabrication which is not compatible with the standard semiconductor industry.

In this project we plant to use Silicon Carbide material as an alternative to diamond quantum sensors as it enables us to fabricate scalable, low cost quantum enhanced magnetometers integrated on a optical microchip using standard lithography techniques.

2) Why is it important for society?

The successful realization would demonstrate the feasibility to integrate quantum sensors into a optical chip to reach low cost and scalable commercial devices which can be used for NMR sensing of biological samples.

3) What are the overall objectives?

The goal of QSENS-NMR is to fabricate a single Silicon Carbide waveguide to demonstrate its fabrication feasibility and to perform quantum sensing experiments with implanted color centers.

Trabajo realizado desde el comienzo del proyecto hasta el final del período abarcado por el informe y los principales resultados hasta la fecha

During my first two months of the project I was in the Ulm University where I learned how to work with confocal setup and diamond quantum sensors. Afterwards I moved to Singapore to work at Nanyang Technological University. However I got a great carrier opportunity to set up an BMBF funded independent research group in Ulm University which resulted to terminate the MSCA project after a total of 13.5 months of work.

However, during my stay in Singapore I performed the following work:

- build a confocal setup to establish Optical and Photoelectrical readout of defects in Diamond and other materials which are being still investigated to this date. I have also performed quantum sensing experiments with color centers in Silicon Carbide which has been published in:
[1] Z. Jiang, ...R. Cernansky., et al., “Quantum sensing of radio-frequency signal with NV centers in SiC”, Science Advances, 9, 20, May 2023

And we also performed a work on nuclear spin polarization in Hexagonal Boron Nitride which has been published on arxiv and is currently being under review:

[2] S. Ru, ...R. Cernansky., et al ,"Robust Nuclear Spin Polarization via Ground-State Level Anti-Crossing of Boron Vacancy Defects in Hexagonal Boron Nitride". arxiv, arXiv:2306.15960 2023

Avances que van más allá del estado de la técnica e impacto potencial esperado (incluida la repercusión socioeconómica y las implicaciones sociales más amplias del proyecto hasta la fecha)

During the first year of the project we have demonstrated for the first time the ability to do high resolution quantum sensing of a radio-frequency signal using color centers in a bulk SiIlicon Carbide sample using a confocal setup configuration. However, the continuation of project had to be terminated early due to a great carrier opportunity of setting up a BMBF independent research group at the Institute for Quantum Optics at Ulm University.

In conclusion, the results of the MSCA fellowship had a great scientific impart which broadened our understanding to perform quantum sensing experiments with color centers in Silicon Carbide while at the same time it had a significant impact on my academic career as it helped me broaden my scientific network, acquire new research and personal skills and establish my own independent research group.

Microchip for quantum sensing