Conference Proceedings

Recent progress in diamond photonics

TJ Karle, S Tomljenovic-Hanic, BC Gibson, AD Greentree, D Lau, D Simpson, A Stacey, K Ganesan, A Hoffman, V Acosta, Z Huang, C Santoro, RG Beausoleil, S Prawer

International Conference on Transparent Optical Networks | IEEE | Published : 2012

Abstract

We detail the passivation of ultra-high purity diamond and subsequent homoepitaxial growth of thin diamond layers containing spectrally stable nitrogen vacancy (NV) centres. We demonstrate a reduction of three orders of magnitude in the density of fluorescent NV centres in single crystal diamond due to hydrogen plasma treatment. This reduced fluorescence extends to a depth of 80 μm below the diamond surface and provides a clean slate upon which subsequent growth and characterisation of high quality isolated NV centres is possible. The photoluminescence excitation linewidth of NV centres in a 100 nm thick layer are measured to be as low as 140 MHz at T 12 K, with favourable spin properties. T..

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Grants

Awarded by Australian Research Council under the Discovery Project and Linkage Project


Awarded by ARC Future Fellowship


Awarded by ARC Australian Research Fellowship


Awarded by ARC QEII Fellowship


Awarded by Australian Research Council


Funding Acknowledgements

This work was supported by the Australian Research Council under the Discovery Project and Linkage Project ( LP100100524) schemes. B.C. G. acknowledges the support of an ARC Future Fellowship ( project number FT110100225). S. T- H. is supported by the ARC Australian Research Fellowship ( project number DP1096288). A. D. G. acknowledges the support of an ARC QEII Fellowship ( project number DP0880466). The authors would like to acknowledge the assistance of Liam P. McGuinness, and Kai- Mei C. Fu for performing PLE measurements.