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arXiv · 1312.5342

Raman quantum memory based on an ensemble of nitrogen-vacancy centers coupled to a microcavity

Khabat Heshami·Charles Santori·Behzad Khanaliloo·Chris Healey·Victor M. Acosta·Paul E. Barclay·Christoph Simon
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Abstract

We propose a scheme to realize optical quantum memories in an ensemble of nitrogen-vacancy centers in diamond that are coupled to a micro-cavity. The scheme is based on off-resonant Raman coupling, which allows one to circumvent optical inhomogeneous broadening and store optical photons in the electronic spin coherence. This approach promises a storage time of order one second and a time-bandwidth product of order 10$^7$. We include all possible optical transitions in a 9-level configuration, numerically evaluate the efficiencies and discuss the requirements for achieving high efficiency and fidelity.

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Khabat Heshami, Charles Santori, Behzad Khanaliloo, Chris Healey, Victor M. Acosta, Paul E. Barclay, Christoph Simon. 2013-12-18. Raman quantum memory based on an ensemble of nitrogen-vacancy centers coupled to a microcavity. https://doi.org/10.1103/physreva.89.040301

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