Quasi-phasematching of harmonic generation via multimode beating in waveguides

Brendan Dromey, Matthew Zepf, M. Landreman, S.M. Hooker

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)


A new scheme for quasi-phasematching high harmonic generation (HHG) in gases is proposed. In this, the rapid variation of the axial intensity resulting from excitation of more than one mode of a waveguide is used to achieve quasi phasematching. Numerical modeling demonstrates enhancement of the harmonic signal over that achieved for a single coherence length by factors > 10(4). (C) 2007 Optical Society of America
Original languageEnglish
Pages (from-to)7894-7900
Number of pages7
JournalOptics Express
Issue number13
Publication statusPublished - 25 Jun 2007

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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