Polychromatic Cherenkov radiation and supercontinuum in tapered optical fibers

C. Milián, A. Ferrando, D. V. Skryabin

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22 Citations (SciVal)


We numerically demonstrate that bright solitons in tapered optical fibers can emit polychromatic Cherenkov radiation providing they remain spectrally close to the zero dispersion wavelength during propagation along the fiber. The prime role in this phenomenon is played by the soliton self-frequency shift driving efficiency of the radiation and tuning of its frequency. Depending on tapering and input pulse power, the radiation is emitted either as a train of pulses at different frequencies or as a single temporally broad and strongly chirped pulse.
Original languageEnglish
Pages (from-to)589-593
Number of pages5
JournalJournal of the Optical Society of America B-Optical Physics
Issue number4
Publication statusPublished - 2012


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