Dissipative preparation of entangled states between two spatially separated nitrogen-vacancy centers

Details Dissipative preparation of entangled states between two spatially separated nitrogen-vacancy centers Dissipative preparation of entangled states between two spatially separated nitrogen-vacancy centers

2011-10-31

arxiv.org/abs/1110.6718v3

PRA 85, 042306 (2012)

Physics

Quantum Physics

published version

Scientific paper

10.1103/PhysRevA.85.042306

We present a novel scheme for the generation of entangled states of two spatially separated nitrogen-vacancy (NV) centers with two whispering-gallery-mode (WGM) microresonators, which are coupled either by an optical fiber-taper waveguide, or by the evanescent fields of the WGM. We show that, the steady state of the two NV centers can be steered into a singlet-like state through a dissipative quantum dynamical process, where the cavity decay plays a positive role and can help drive the system to the target state. The protocol may open up promising perspectives for quantum communications and computations with this solid-state cavity quantum electrodynamic system.

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