Laser written nitrogen vacancy centers in diamond integrated with transfer print GaN solid immersion lenses
At a Glance
Section titled āAt a Glanceā| Metadata | Details |
|---|---|
| Publication Date | 2024-03-12 |
| Authors | Xingrui Cheng, Nils Kolja Wessling, Saptarsi Ghosh, Andrew Kirkpatrick, Menno J. Kappers |
| Institutions | University of Oxford, University of Strathclyde |
Abstract
Section titled āAbstractāLaser-written Nitrogen Vacancy (NVā) centers are combined with transfer-printed GaN micro-lenses to increase fluorescent light collection by reducing total internal reflection at the planar diamond interface. We find a 2x improvement of fluorescent light collection using a 0.95 NA air objective at room temperature, in agreement with FDTD simulations. The nature of the transfer print micro-lenses leads to better performance with lower Numerical Aperture (NA) collection, as confirmed by results with a 0.5NA air objective which show improvement greater than 5x. The approach is attractive for scalable integrated quantum technologies.
Tech Support
Section titled āTech SupportāOriginal Source
Section titled āOriginal SourceāReferences
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