Manipulating Light Pulses via Dynamically Controlled Photonic Bandgap

Details Manipulating Light Pulses via Dynamically Controlled Photonic Bandgap Manipulating Light Pulses via Dynamically Controlled Photonic Bandgap

2002-05-13

arxiv.org/abs/quant-ph/0205072v1

Phys. Rev. Lett. 89, 143602 (2002).

Physics

Quantum Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.89.143602

When a resonance associated with electromagnetically induced transparency (EIT) in an atomic ensemble is modulated by an off-resonant standing light wave, a band of frequencies can appear for which light propagation is forbidden. We show that dynamic control of such a bandgap can be used to coherently convert a propagating light pulse into a stationary excitation with non-vanishing photonic component. This can be accomplished with high efficiency and negligble noise even at a level of few-photon quantum fields thereby facilitating possible applications in quantum nonlinear optics and quantum information.

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