Quantum Interference of Single Photons from Remote Nitrogen-Vacancy Centers in Diamond
Twitchen, D. J.
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CitationSipahigil, A., M. L. Goldman, E. Togan, Y. Chu, M. Markham, D. J. Twitchen, A. S. Zibrov, A. Kubanek, and M. D. Lukin. 2012. “Quantum Interference of Single Photons from Remote Nitrogen-Vacancy Centers in Diamond.” Physical Review Letters 108 (14) (April). Portico.
AbstractWe demonstrate quantum interference between indistinguishable photons emitted by two nitrogen-vacancy (NV) centers in distinct diamond samples separated by two meters. Macroscopic solid immersion lenses are used to enhance photon collection efficiency. Quantum interference is verified by measuring a value of the second-order cross-correlation function g(2)(0)=0.35±0.04<0.5. In addition, optical transition frequencies of two separated NV centers are tuned into resonance with each other by applying external electric fields. Extension of the present approach to generate entanglement of remote solid-state qubits is discussed.
Citable link to this pagehttp://nrs.harvard.edu/urn-3:HUL.InstRepos:11870333
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