On the chirp of narrowband terahertz pulses generated by photomixing with nonlinearly chirped laser pulse Pairs

Shohei Kamada, Shuhei Murata, Takao Aoki

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    Abstract

    The spectral linewidth and intensity of narrowband terahertz pulses generated by photomixing with beating of nonlinearly chirped laser pulse pairs are studied. The direct relationship between the dispersion of the pump pulse stretcher and the chirp of the terahertz pulse is shown. Simple analytical expressions for the linewidth and intensity of the terahertz spectrum are obtained and their validity is confirmed by numerical simulations. Generation of narrowband terahertz pulses with minimal chirp is demonstrated.

    Original languageEnglish
    Article number032701
    JournalApplied Physics Express
    Volume6
    Issue number3
    DOIs
    Publication statusPublished - 2013 Mar

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    ASJC Scopus subject areas

    • Engineering(all)
    • Physics and Astronomy(all)

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