Send to

Choose Destination
See comment in PubMed Commons below
Phys Rev Lett. 2007 Oct 26;99(17):173001. Epub 2007 Oct 25.

Efficient coherent population transfer among three states in NO molecules by Stark-Chirped rapid adiabatic passage.

Author information

Institute for Applied Physics, TU Darmstadt, Schlossgartenstrasse 7, 64289 Darmstadt, Germany.


We present the experimental demonstration of a novel, efficient, and selective technique to prepare population inversion. The technique is an extension of Stark-chirped rapid adiabatic passage (SCRAP), i.e., SCRAP among three states. In this process a Lambda-type quantum system is driven by two laser pulses, the pump and Stokes pulses, which are appropriately detuned from transition frequencies. A third laser pulse induces a dynamic Stark shift in the upper energy level, and the timing of all three pulses is controlled in order to prepare population inversion between the two lower states in the Lambda-type level scheme. Our data on population transfer in nitric oxide (NO) molecules clearly show that SCRAP among three states provides an advantageous alternative to such techniques as stimulated Raman adiabatic passage.

PubMed Commons home

PubMed Commons

How to join PubMed Commons

    Supplemental Content

    Full text links

    Icon for American Physical Society
    Loading ...
    Support Center