Molecular-optic modulator

Kazuki Ihara, Chihiro Eshima, Shin Ichi Zaitsu, Singo Kamitomo, Kenji Shinzen, Yasuyuki Hirakawa, Totaro Imasaka

    Research output: Contribution to journalArticlepeer-review

    17 Citations (Scopus)


    An ultrafast light-intensity modulator, based on stimulated Raman scattering, is described. The intensity of a continuous wave laser is fully modulated at 17 THz using hydrogen in a high-finesse cavity. The modulation frequency is determined by the molecular constant of the Raman medium, i.e., the Raman shift frequency. The modulation frequency can be changed in the tetrahertz range by replacing the Raman medium. Due to the accurate modulation frequency and the high beam coherence, this device is amenable to a variety of applications such as in basic science and also in advanced industrial technology.

    Original languageEnglish
    Article number074101
    JournalApplied Physics Letters
    Issue number7
    Publication statusPublished - 2006

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy (miscellaneous)


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