Non-Markovian dynamics and strong coupling between atomic transitions and a waveguide continuum edge

Details Non-Markovian dynamics and strong coupling between atomic transitions and a waveguide continuum edge Non-Markovian dynamics and strong coupling between atomic transitions and a waveguide continuum edge

2011-10-25

arxiv.org/abs/1110.5386v1

Phys. Rev. A 85, 043830 (2012)

Physics

Quantum Physics

8 pages 5 figures

Scientific paper

10.1103/PhysRevA.85.043830

In quantum communication and distributed quantum computing, one-dimensional waveguides provide directional transfer of quantum information. A single-mode waveguide has a density-of-states singularity at the lower cut-off frequency, which resembles sharp resonances of a cavity but with non-Markovian dynamics. Thus we put forward schemes of coupling atomic transitions and a waveguide continuum edge. We first present a scheme of spin-photon quantum interface operating in the non-Markovian regime for a $\Lambda$-type three-level system coupled to a waveguide. Then we show that strong coupling between atomic transitions and a waveguide continuum edge can lead to vacuum Rabi oscillations and bound polariton states.

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