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|Title:||Quantum dynamics and quantum state transfer between separated nitrogen-vacancy centers embedded in photonic crystal cavities|
|Authors:||Yang, W.L. |
|Citation:||Yang, W.L., Yin, Z.Q., Xu, Z.Y., Feng, M., Oh, C.H. (2011-10-31). Quantum dynamics and quantum state transfer between separated nitrogen-vacancy centers embedded in photonic crystal cavities. Physical Review A - Atomic, Molecular, and Optical Physics 84 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.84.043849|
|Abstract:||We investigate dynamics of a laser-driven and dissipative system consisting of two nitrogen-vacancy (N-V) centers embedded in two spatially separated single-mode nanocavities in a planar photonic crystal (PC). Spontaneous emission from the excited states of the N-V centers can be effectively suppressed by virtue of the Raman transition in the dispersive regime. The system displays a series of damped oscillations under various experimental situations, where we solve the time-dependent Schrödinger equation analytically for arbitrary values of the hopping and PC-N-V coupling strengths. In particular, our results indicate that some special values should be taken for the hopping strength if we hope to have high-fidelity quantum state transfer between the two distant N-V centers. We have also analyzed the relevant entanglement dynamics in the presence of decoherence. The experimental feasibility and challenge are justified using currently available technology. © 2011 American Physical Society.|
|Source Title:||Physical Review A - Atomic, Molecular, and Optical Physics|
|Appears in Collections:||Staff Publications|
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