TY - JOUR

T1 - Fingerprinting Defects in Hexagonal Boron Nitride via Multi-Phonon Excitation

AU - Tieben, Pablo

AU - Schell, Andreas W.

N1 - Funding Information: This work was funded by Project Nos. EMPIR 20FUN05 SEQUME and EMPIR 20IND05 QADeT. These projects have received funding from the EMPIR programme co\u2010financed by the Participating States and from the European Union's 2020 research and innovation programme. This work was also funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy within the Cluster of Excellence QuantumFrontiers (EXC 2123, Project No. 390837967) and within the Cluster of Excellence PhoenixD (EXC 2122, Project No. 390833453).

PY - 2024/4/9

Y1 - 2024/4/9

N2 - Single photon emitters in hexagonal boron nitride (hBN) have gathered a lot of attention due to their favorable emission properties and the manifold of possible applications. Despite extensive scientific effort, the exact atomic origin of these emitters has remained unknown thus far. Recently, several studies have tied the emission in the yellow spectral region to carbon-related defects, but the exact atomic structure of the defects remains elusive. In this study, photoluminescence emission and excitation spectroscopy is performed on a large number of emitters within this region. By comparing the experimental data with theoretical predictions, the origin of yellow single photon emission in hexagonal boron nitride is determined. Knowledge of this atomic structure and its optical properties is crucial for the reliable implementation of these emitters in quantum technologies.

AB - Single photon emitters in hexagonal boron nitride (hBN) have gathered a lot of attention due to their favorable emission properties and the manifold of possible applications. Despite extensive scientific effort, the exact atomic origin of these emitters has remained unknown thus far. Recently, several studies have tied the emission in the yellow spectral region to carbon-related defects, but the exact atomic structure of the defects remains elusive. In this study, photoluminescence emission and excitation spectroscopy is performed on a large number of emitters within this region. By comparing the experimental data with theoretical predictions, the origin of yellow single photon emission in hexagonal boron nitride is determined. Knowledge of this atomic structure and its optical properties is crucial for the reliable implementation of these emitters in quantum technologies.

KW - carbon defect

KW - hexagonal boron nitride

KW - quantum technologies

KW - single photons

KW - solid-state emitter

UR - http://www.scopus.com/inward/record.url?scp=85189833698&partnerID=8YFLogxK

U2 - 10.48550/arXiv.2308.09018

DO - 10.48550/arXiv.2308.09018

M3 - Article

AN - SCOPUS:85189833698

JO - Advanced optical materials

JF - Advanced optical materials

SN - 2195-1071

ER -