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12 February 2011 Modification of the spontaneous emission rate of nitrogen-vacancy centers in diamond by coupling to plasmons
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Abstract
Nitrogen-vacancy centers in diamond are widely studied both as a testbed for solid state quantum optics and for their applications in quantum information processing and magnetometry. Here we demonstrate coupling of the nitrogen-vacancy centers to gap plasmons in metal nano-slits. We use diamond samples where nitrogen-vacancy centers are implanted tens of nanometers under the surface. Silver nano-slits are patterned on the sample such that diamond ridges tens of nanometers wide fill the slit gap. We measure enhancement of the spontaneous emission rate of the zero photon line by a factor of 3 at a temperature of 8K.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Andrei Faraon, Young Chul Jun, Paul E. Barclay, Kai-Mei C. Fu, Charles M. Santori, Mark L. Brongersma, and Raymond G. Beausoleil "Modification of the spontaneous emission rate of nitrogen-vacancy centers in diamond by coupling to plasmons", Proc. SPIE 7948, Advances in Photonics of Quantum Computing, Memory, and Communication IV, 794814 (12 February 2011); https://doi.org/10.1117/12.874221
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