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Bright emission from a random Raman laser

Author

Listed:
  • Brett H. Hokr

    (Texas A&M University
    Texas A&M University)

  • Joel N. Bixler

    (Texas A&M University)

  • Michael T. Cone

    (Texas A&M University)

  • John D. Mason

    (Texas A&M University)

  • Hope T. Beier

    (711th Human Performance Wing, Human Effectiveness Directorate, Optical Radiation Bioeffects Branch)

  • Gary D. Noojin

    (TASC Inc.)

  • Georgi I. Petrov

    (Texas A&M University)

  • Leonid A. Golovan

    (Faculty of Physics, M. V. Lomonosov Moscow State University)

  • Robert J. Thomas

    (711th Human Performance Wing, Human Effectiveness Directorate, Optical Radiation Bioeffects Branch)

  • Benjamin A. Rockwell

    (711th Human Performance Wing, Human Effectiveness Directorate, Optical Radiation Bioeffects Branch)

  • Vladislav V. Yakovlev

    (Texas A&M University
    Texas A&M University)

Abstract

Random lasers are a developing class of light sources that utilize a highly disordered gain medium as opposed to a conventional optical cavity. Although traditional random lasers often have a relatively broad emission spectrum, a random laser that utilizes vibration transitions via Raman scattering allows for an extremely narrow bandwidth, on the order of 10 cm−1. Here we demonstrate the first experimental evidence of lasing via a Raman interaction in a bulk three-dimensional random medium, with conversion efficiencies on the order of a few percent. Furthermore, Monte Carlo simulations are used to study the complex spatial and temporal dynamics of nonlinear processes in turbid media. In addition to providing a large signal, characteristic of the Raman medium, the random Raman laser offers us an entirely new tool for studying the dynamics of gain in a turbid medium.

Suggested Citation

  • Brett H. Hokr & Joel N. Bixler & Michael T. Cone & John D. Mason & Hope T. Beier & Gary D. Noojin & Georgi I. Petrov & Leonid A. Golovan & Robert J. Thomas & Benjamin A. Rockwell & Vladislav V. Yakovl, 2014. "Bright emission from a random Raman laser," Nature Communications, Nature, vol. 5(1), pages 1-5, September.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms5356
    DOI: 10.1038/ncomms5356
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