Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.84.043849
Title: Quantum dynamics and quantum state transfer between separated nitrogen-vacancy centers embedded in photonic crystal cavities
Authors: Yang, W.L. 
Yin, Z.Q.
Xu, Z.Y.
Feng, M.
Oh, C.H. 
Issue Date: 31-Oct-2011
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
URI: http://scholarbank.nus.edu.sg/handle/10635/115252
ISSN: 10502947
DOI: 10.1103/PhysRevA.84.043849
Appears in Collections:Staff Publications

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