Modulated phase matching and high-order harmonic enhancement mediated by the carrier-envelope phase

Daniele Faccio, Carles Serrat, Jose M. Cela, Albert Farres, Paolo Di Trapani, Jens Biegert

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Abstract

The process of high-order harmonic generation in gases is numerically investigated in the presence of a few-cycle pulsed-Bessel-beam pump, featuring a periodic modulation in the peak intensity due to large carrier-envelope-phase mismatch. A two-decade enhancement in the conversion efficiency is observed and interpreted as the consequence of a mechanism known as a nonlinearly induced modulation in the phase mismatch.

Original languageEnglish
Article number011803
Pages (from-to)-
Number of pages4
JournalPhysical Review A
Volume81
Issue number1
DOIs
Publication statusPublished - Jan 2010

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