Ultrashort pulse chirp measurement via transverse second-harmonic generation in strontium barium niobate crystal

J. Trull, I. Sola, B. Wang, A. Parra, W. Krolikowski, Y. Sheng, R. Vilaseca, C. Cojocaru

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    17 Citations (Scopus)

    Abstract

    Pulse compression in dispersive strontium barium niobate crystal with a random size and distribution of the anti-parallel orientated nonlinear domains is observed via transverse second harmonic generation. The dependence of the transverse width of the second harmonic trace along the propagation direction allows for the determination of the initial chirp and duration of pulses in the femtosecond regime. This technique permits a real-time analysis of the pulse evolution and facilitates fast in-situ correction of pulse chirp acquired in the propagation through an optical system.

    Original languageEnglish
    Article number221108
    JournalApplied Physics Letters
    Volume106
    Issue number22
    DOIs
    Publication statusPublished - 1 Jun 2015

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