A Molecularly Modulated Mode-Locked Laser

Shin ichi Zaitsu, Takao Tsuchiya

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    1 Citation (Scopus)

    Abstract

    A mode-locked laser operating at a frequency over 10 THz is reported, which is three orders of magnitude greater than a standard mode-locked laser. The system used molecules with a Raman gain as an amplifier, while coherent molecular motions were used for optical modulation. Molecules in a high-finesse optical cavity modulated a continuous-wave beam to produce a train of ultrashort optical pulses at a repetition rate corresponding to the frequency of molecular motion. Phase-locking was achieved by an appropriate compensation of the total dispersion of the optical cavity. Thus, the oscillating multiple longitudinal modes were all coupled under phase-matching conditions of parametric four-wave mixing.

    Original languageEnglish
    Article number12175
    JournalScientific reports
    Volume8
    Issue number1
    DOIs
    Publication statusPublished - Dec 1 2018

    All Science Journal Classification (ASJC) codes

    • General

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