Photonic nano-structures on (111)-oriented diamond

Neu, Elke and Appel, Patrick and Ganzhorn, Marc and Miguel-Sanchez, Javier and Lesik, Margarita and Mille, Vianney and Jacques, Vincent and Tallaire, Alexandre and Achard, Jocelyn and Maletinsky, Patrick. (2014) Photonic nano-structures on (111)-oriented diamond. Applied physics letters, Vol. 104, H. 15 , 153108.

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Official URL: http://edoc.unibas.ch/dok/A6337971

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We demonstrate the fabrication of single-crystalline diamond nanopillars on a (111)-oriented chemical vapor deposited diamond substrate. This crystal orientation offers optimal coupling of nitrogen-vacancy (NV) center emission to the nanopillar mode and is thus advantageous over previous approaches. We characterize single native NV centers in these nanopillars and find one of the highest reported saturated fluorescence count rates in single crystalline diamond in excess of 106 counts per second. We show that our nano-fabrication procedure conserves the preferential alignment as well as the spin coherence of the NVs in our structures. Our results will enable a new generation of highly sensitive probes for NV magnetometry and pave the way toward photonic crystals with optimal orientation of the NV center's emission dipole.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Georg H. Endress-Stiftungsprofessur für Experimentalphysik (Maletinsky)
UniBasel Contributors:Maletinsky, Patrick M. and Neu, Elke and Appel, Patrick and Ganzhorn, Marc
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Institute of Physics
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:31 Dec 2015 10:57
Deposited On:06 Feb 2015 09:59

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