Stimulated rotational Raman scattering by a polarization-modulated femtosecond pulse

Yuichiro Kida, Shin Ichi Zaitsu, Totaro Imasaka

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    4 Citations (Scopus)

    Abstract

    Transient stimulated rotational Raman scattering induced by a polarization-modulated femtosecond pulse whose polarization varies with time is reported. The peak intensity of the polarization-modulated pulse produced in this study is low compared to that of a pulse without polarization variation, and this leads to the low efficiency of self-phase-modulation and thus the high efficiency of stimulated Raman scattering compared to the case of a pump pulse without polarization modulation. The scattering process is unique in terms of the high peak ratio of the anti-Stokes to Stokes emissions compared to the ratio in the case of the scattering induced by linearly, circularly, and elliptically polarized pump pulses. Under optimum conditions, the ratio approaches 1, which is not realized in the general case of stimulated rotational Raman scattering.

    Original languageEnglish
    Article number063802
    JournalPhysical Review A - Atomic, Molecular, and Optical Physics
    Volume77
    Issue number6
    DOIs
    Publication statusPublished - Jun 3 2008

    All Science Journal Classification (ASJC) codes

    • Atomic and Molecular Physics, and Optics

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