Journal
OPTICS EXPRESS
Volume 20, Issue 8, Pages 8891-8897Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.20.008891
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Funding
- DARPA under the Quantum Entanglement Science and Technology (QuEST)
- National Science Foundation [ECS-0335765]
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Optical coupling of an ensemble of silicon-vacancy (SiV) centers to single-crystal diamond microdisk cavities is demonstrated. The cavities are fabricated from a single-crystal diamond membrane generated by ion implantation and electrochemical liftoff followed by homo-epitaxial overgrowth. Whispering gallery modes spectrally overlap with the zero-phonon line (ZPL) of the SiV centers and exhibit quality factors similar to 2200. Lifetime reduction from 1.8 ns to 1.48 ns is observed from SiV centers in the cavity compared to those in the membrane outside the cavity. These results are pivotal in developing diamond integrated photonics networks. (C) 2012 Optical Society of America
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