Broadband femtosecond frequency doubling in random media

R. Fischer*, S. M. Saltiel, D. N. Neshev, W. Krolikowski, Yu S. Kivshar

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    143 Citations (Scopus)

    Abstract

    The authors demonstrate broadband femtosecond phase-matched noncollinear second-harmonic generation (SHG) in strontium barium niobate crystals with random ferroelectric domains. The process is similar to femtosecond SHG in ultrathin crystals, but it results in higher efficiency and exact mapping of the spectrum of the fundamental field into the spectrum of the second harmonics, even for pulses with complex spectral profiles. The observed parametric conversion process can be used as an efficient frequency mapping from infrared to visible for the femtosecond pulse monitoring.

    Original languageEnglish
    Article number191105
    JournalApplied Physics Letters
    Volume89
    Issue number19
    DOIs
    Publication statusPublished - 2006

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