Coupling spin defects in hexagonal boron nitride to titanium dioxide ring resonators
Source abstract
Abstract
Spin-dependent optical transitions are attractive for a plethora of applications in quantum technologies. Here we report on utilization of high quality ring resonators fabricated from TiO2 to enhance the emission from negatively charged boron vacancies (VB-) in hexagonal Boron Nitride. We show that the emission from these defects can efficiently couple into the whispering gallery modes of the ring resonators. Optically coupled VB- showed photoluminescence contrast in optically detected magnetic resonance signals from the hybrid coupled devices. Our results demonstrate a practical method for integration of spin defects in 2D materials with dielectric resonators which is a promising platform for quantum technologies.
Source: europepmc · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Mechanical and Optical Resonators · Diamond and Carbon-based Materials Research · Photonic and Optical Devices
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, New South Wales 2007, Australia
ARC Centre of Excellence for Transformative Meta-Optical Systems (TMOS), University of Technology Sydney, Ultimo, New South Wales 2007, Australia
Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), Kinesis, 138635 Singapore
Funding
Asian Office of Aerospace Research and Development · Office of Naval Research Global · Australian Research Council
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