Quantum Interference of Single Photons from Remote Nitrogen-Vacancy Centers in Diamond

Sipahigil, 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.

Abstract

We 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.

Terms of Use

This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA

Citable link to this page

http://nrs.harvard.edu/urn-3:HUL.InstRepos:11870333

Collections

FAS Scholarly Articles [17845]

Contact administrator regarding this item (to report mistakes or request changes)