Nitrogen-vacancy color centers in nanodiamonds as reference single-photon emitters
At a Glance
Section titled āAt a Glanceā| Metadata | Details |
|---|---|
| Publication Date | 2025-05-20 |
| Journal | Optics Express |
| Authors | Nikesh Patel, Benyam Dejen, Stephen Church, Philip R. Dolan, Patrick Parkinson |
| Institutions | National Physical Laboratory, Quantum Group (United States) |
| Citations | 1 |
Abstract
Section titled āAbstractāQuantitative and reproducible optical characterization of single quantum emitters is crucial for quantum photonic materials research, yet accounting for measurement conditions remains challenging due to a lack of an established reference standard. We propose nanodiamonds containing single nitrogen vacancy (NV ? ) color centers as reliable, stable, and robust reference sources of single-photon emission. We select 4 potential reference emitter candidates from a study of thousands of NV ? centers. Candidates were remeasured at a second laboratory, correlating optical pump power and NV ? center emission intensity at saturation in addition to corresponding g (2) (0) values. A reference nanodiamond is demonstrated to account for experimental conditions, with reproducible and reliable single-photon emission, as a model for a new, to our knowledge, single-photon emitter reference standard.