Storage and Retrieval of a Microwave Field in a Spin Ensemble
Y. Kubo, I. Diniz, A. Dewes, V. Jacques, A. Dreau, J.-F. Roch, A., Auffeves, D. Vion, D. Esteve, P. Bertet
TL;DR
This paper demonstrates the storage and retrieval of microwave fields in a spin ensemble of nitrogen-vacancy centers in diamond, highlighting the potential for quantum memory applications despite current limitations.
Contribution
It introduces a method for storing microwave photons in a spin ensemble and characterizes the storage time using NV centers in diamond.
Findings
Successful storage and retrieval of microwave fields
Storage time limited to ~30 ns due to inhomogeneous broadening
Potential for quantum memory development
Abstract
We report the storage and retrieval of a small microwave field from a superconducting resonator into collective excitations of a spin ensemble. The spins are nitrogen-vacancy centers in a diamond crystal. The storage time of the order of 30 ns is limited by inhomogeneous broadening of the spin ensemble.
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