Simple route to strong-field coherent control

Nirit Dudovich, Thomas Polack, Avi Pe'Er, Yaron Silberberg

Research output: Contribution to journalArticlepeer-review

68 Scopus citations


Coherent-control schemes to manipulate weak-field interactions are generally invalid at stronger fields, since strong-field interactions are accompanied by level power broadenings and level shifts that usually elude simple analytical treatments. Here we show that a broad subgroup of weak-field solutions (those with real fields, i.e., fields with only one quadrature in the complex plane) can be extended to the strong-field regime while retaining their properties. The salient feature of these fields is a symmetry that cancels out power broadening effects. Such fields can be generated from ultrashort coherent pulses or from incoherent broadband down-converted light. Weak-field coherent-control approaches based on these solutions can therefore be extended to the strong-field regime as we demonstrate in a two-photon absorption experiment in atomic cesium.

Original languageEnglish
Article number083002
JournalPhysical Review Letters
Issue number8
StatePublished - 4 Mar 2005
Externally publishedYes


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