期刊
APPLIED PHYSICS LETTERS
卷 108, 期 2, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.4939906
关键词
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资金
- KAKENHI [26286047]
- Australian Research Council Center for Quantum Computation and Communication Technology [CE110001027]
- Australian Research Council Centre of Excellence for Nanoscale BioPhotonics [CE140100003]
- ARC Future Fellowship
- Grants-in-Aid for Scientific Research [26286047] Funding Source: KAKEN
In this work, we present the creation and characterisation of single photon emitters at the surface of 4H-and 6H-SiC, and of 3C-SiC epitaxially grown on silicon. These emitters can be created by annealing in an oxygen atmosphere at temperatures above 550 degrees C. By using standard confocal microscopy techniques, we find characteristic spectral signatures in the visible region. The excited state lifetimes are found to be in the nanosecond regime in all three polytypes, and the emission dipoles are aligned with the lattice. HF-etching is shown to effectively annihilate the defects and to restore an optically clean surface. The defects described in this work have ideal characteristics for broadband single photon generation in the visible spectral region at room temperature and for integration into nanophotonic devices. (C) 2016 AIP Publishing LLC.
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