Coherence Enhanced Transient Lasing in XUV Regime Institutional Repository Document uri icon


  • We report the effect of a coherent drive on transient lasing in three-level $Lambda $ and $Xi$ configurations ($cleftrightarrow aleftrightarrow b$). We show that the presence of a resonant coherent drive on the $aleftrightarrow c$ optical transition can yield an order of magnitude enhancement of the output laser energy on a $a
    ightarrow b$ XUV or X-ray transition than with no coherent drive. We demonstrate the crucial role of coherence $varrho_{ac}$ for the laser power enhancement. Contrary to the forward direction (with respect to the pump), where forward gain can be enhanced for some choice of the drive Rabi frequency $Omega_{c}$, coherent drive on the $ac$ transition always suppresses the backward gain.

author list (cited authors)

  • Jha, P. K., Svidzinsky, A. A., & Scully, M. O.

complete list of authors

  • Jha, Pankaj K||Svidzinsky, Anatoly A||Scully, Marlan O

Book Title

  • arXiv

publication date

  • September 2011