Coupling of nitrogen-vacancy centers to photonic crystal cavities in monocrystalline diamond |
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Authors: | Andrei Faraon Charles Santori Zhihong Huang Victor M Acosta Raymond G Beausoleil |
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Institution: | Hewlett Packard Laboratories, 1501 Page Mill Road, Palo Alto, California 94304, USA and California Institute of Technology, Department of Applied Physics and Material Science, 1200 East California Boulevard, Pasadena, California 91125, USA. |
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Abstract: | The zero-phonon transition rate of a nitrogen-vacancy center is enhanced by a factor of ~70 by coupling to a photonic crystal resonator fabricated in monocrystalline diamond using standard semiconductor fabrication techniques. Photon correlation measurements on the spectrally filtered zero-phonon line show antibunching, a signature that the collected photoluminescence is emitted primarily by a single nitrogen-vacancy center. The linewidth of the coupled nitrogen-vacancy center and the spectral diffusion are characterized using high-resolution photoluminescence and photoluminescence excitation spectroscopy. |
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