We present a theoretical study of temporal compression of a short-wavelength laser pulse predicted in a real, Doppler-broadened, atomic system. The compression is the result of the coherent control peculiarities of electromagnetically induced transparency-propagation dynamics. Numerical results are reported and discussed, showing a temporal compression of 2 orders of magnitude (from 10 ns to 100 ps) of a 106.7-nm laser pulse in argon atoms at room temperature.

Optics LettersOct 15, 20044 citations

Journal of Luminescence

Coherent pulse propagation in GaSe

T.E. Kishimoto, Hiroshi Takahashi, Atsushi Hasegawa, F. Minami

Published Feb 8, 2006• 0 citations

Publisher

DOI: 10.1016/j.jlumin.2006.01.007

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{L}_{0}

of the stored wave packet and the decay rate $\ensuremath{\gamma}$ of ground-spin coherence, the recreated light can behave differently. For long

{L}_{0}

and/or large $\ensuremath{\gamma}$, a stationary light pulse is produced, while two propagating light pulses appear for short

{L}_{0}

and/or small $\ensuremath{\gamma}$. In the $\ensuremath{\gamma}\ensuremath{\rightarrow}0$ limit, the light always splits into two propagating pulses for a sufficiently long time. This scenario agrees with a recent experiment [Y.-W. Lin et al., Phys. Rev. Lett. 102, 213601 (2009)] where two propagating light pulses are generated in laser-cooled cold-atom ensembles.