Photonic crystal defect cavities coupled to N-V centres in diamond

Marseglia, Luca, Harrison, J. P., Hadden, J. P. ORCID: https://orcid.org/0000-0001-5407-6754, Young, A., Jelezko, F., Naydenov, B., Meijer, J., Stanley-Clarke, A. C., Ho, Y.-L. D., O'Brien, J. L. and Rarity, J. G. 2010. Photonic crystal defect cavities coupled to N-V centres in diamond. Presented at: 36th European Conference and Exhibition on Optical Communication, Torino, 19-23 September 2010. Proceedings of 36th European Conference and Exhibition on Optical Communication. IEEE, 10.1109/ECOC.2010.5621252

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Abstract

We use focused ion beam (FIB) etching to create suspended photonic crystal cavities in diamond. Our goal is to enhance and control the spontaneous emission of single N-V colour centres, which act like single `two-level atoms' emitting single photons. The single nitrogen-vacancy (N-V) colour centre in diamond has attracted a lot of interest because it can be optically addressed, is photostable at room temperature and has a paramagnetic ground state whose spin can be initialized and read-out optically. By enclosing the (N-V) colour centre in a resonant cavity we aim to develop rapid readout of this optically addressable single spin. We show a technique using FIB and confocal microscopy to locate single N-V centres and discuss progress towards etching cavities around single centres.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Completion
Status:	Published
Schools:	Physics and Astronomy
Publisher:	IEEE
ISBN:	978-1-4244-8536-9
Last Modified:	24 Oct 2022 07:06
URI:	https://orca.cardiff.ac.uk/id/eprint/114122

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