Spectral hole burning for stopping light

Details Spectral hole burning for stopping light Spectral hole burning for stopping light

2009-02-16

arxiv.org/abs/0902.2663v1

Phys. Rev. A 79, 053801 (2009)

Physics

Quantum Physics

17 pages, 6 figures, submitted to Phys. Rev. A

Scientific paper

10.1103/PhysRevA.79.053801

We propose a novel protocol for storage and retrieval of photon wave packets in a $\Lambda$-type atomic medium. This protocol derives from spectral hole burning and takes advantages of the specific properties of solid state systems at low temperature, such as rare earth ion doped crystals. The signal pulse is tuned to the center of the hole that has been burnt previously within the inhomogeneously broadened absorption band. The group velocity is strongly reduced, being proportional to the hole width. This way the optically carried information and energy is carried over to the off-resonance optical dipoles. Storage and retrieval are performed by conversion to and from ground state Raman coherence by using brief $\pi$-pulses. The protocol exhibits some resemblance with the well known electromagnetically induced transparency process. It also presents distinctive features such as the absence of coupling beam. In this paper we detail the various steps of the protocol, summarize the critical parameters and theoretically examine the recovery efficiency.

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