V I Kovalev

Summary

Affiliation: Heriot-Watt University
Country: UK

Publications

  1. ncbi request reprint Spectral broadening of continuous-wave monochromatic pump radiation caused by stimulated Brillouin scattering in optical fiber
    Valeri I Kovalev
    Nonlinear Dynamics and Optics Group, School of Engineering and Physical Sciences, Heriot Watt University, Edinburgh EH14 4AS, UK
    Opt Lett 29:379-81. 2004
  2. doi request reprint "Slow Light" in stimulated Brillouin scattering: on the influence of the spectral width of pump radiation on the group index: Reply
    V I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh, EH14 4AS, UK
    Opt Express 18:8055-7. 2010
  3. ncbi request reprint Means for easy and accurate measurement of the stimulated Brillouin scattering gain coefficient in optical fiber
    Valeri I Kovalev
    Department of Physics, Nonlinear Dynamics and Optics Group, Heriot Watt University, Edinburgh, UK
    Opt Lett 33:2434-6. 2008
  4. ncbi request reprint Suppression of stimulated Brillouin scattering in high-power single-frequency fiber amplifiers
    V I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh, UK
    Opt Lett 31:161-3. 2006
  5. ncbi request reprint Origin of temporally stable continuous-wave stokes emission in stimulated Brillouin scattering: evidence of spectral self-phase conjugation
    Valeri I Kovalev
    Nonlinear Dynamics and Optics Group, Department of Physics, Heriot Watt University, Edinburgh EH14 4AS, UK
    Opt Lett 30:3389-91. 2005
  6. ncbi request reprint 300 W quasi-continuous-wave diffraction-limited output from a diode-pumped Nd:YAG master oscillator power amplifier with fiber phase-conjugate stimulated Brillouin scattering mirror
    Valeri I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh EH14 4AS, UK
    Opt Lett 30:3386-8. 2005
  7. ncbi request reprint Temporally stable continuous-wave phase conjugation by stimulated Brillouin scattering in optical fiber with cavity feedback
    Valeri I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh EH14 4AS, UK
    Opt Lett 30:1375-7. 2005
  8. ncbi request reprint Abnormally low threshold gain of stimulated Brillouin scattering in long optical fiber with feedback
    V I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh EH144AS, UK
    Opt Express 16:12272-7. 2008
  9. ncbi request reprint Effect of acoustic wave inertia and its implication to slow light via stimulated Brillouin scattering in an extended medium
    V I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh, EH14 4AS, UK
    Opt Express 17:2826-33. 2009
  10. ncbi request reprint Threshold for stimulated Brillouin scattering in optical fiber
    V I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh, EH14 4AS, UK
    Opt Express 15:17625-30. 2007

Collaborators

  • N E Kotova
  • R G Harrison

Detail Information

Publications13

  1. ncbi request reprint Spectral broadening of continuous-wave monochromatic pump radiation caused by stimulated Brillouin scattering in optical fiber
    Valeri I Kovalev
    Nonlinear Dynamics and Optics Group, School of Engineering and Physical Sciences, Heriot Watt University, Edinburgh EH14 4AS, UK
    Opt Lett 29:379-81. 2004
    ..We show that these properties arise from strong parametric coupling of the Stokes and pump signals in the pump-depletion region...
  2. doi request reprint "Slow Light" in stimulated Brillouin scattering: on the influence of the spectral width of pump radiation on the group index: Reply
    V I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh, EH14 4AS, UK
    Opt Express 18:8055-7. 2010
    ..We show that the claims in the Comment are misleading and in instances contradictory...
  3. ncbi request reprint Means for easy and accurate measurement of the stimulated Brillouin scattering gain coefficient in optical fiber
    Valeri I Kovalev
    Department of Physics, Nonlinear Dynamics and Optics Group, Heriot Watt University, Edinburgh, UK
    Opt Lett 33:2434-6. 2008
    ..Experimental evidence of the variation of the SBS gain coefficient with numerical aperture of the fiber, first predicted in [Phys. Rev. Lett. 85, 1879 (2000)], is proven...
  4. ncbi request reprint Suppression of stimulated Brillouin scattering in high-power single-frequency fiber amplifiers
    V I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh, UK
    Opt Lett 31:161-3. 2006
    ....
  5. ncbi request reprint Origin of temporally stable continuous-wave stokes emission in stimulated Brillouin scattering: evidence of spectral self-phase conjugation
    Valeri I Kovalev
    Nonlinear Dynamics and Optics Group, Department of Physics, Heriot Watt University, Edinburgh EH14 4AS, UK
    Opt Lett 30:3389-91. 2005
    ..These findings are shown to be a manifestation of spectral self-phase conjugation, providing what is to our knowledge the first experimental evidence of this phenomenon in optics...
  6. ncbi request reprint 300 W quasi-continuous-wave diffraction-limited output from a diode-pumped Nd:YAG master oscillator power amplifier with fiber phase-conjugate stimulated Brillouin scattering mirror
    Valeri I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh EH14 4AS, UK
    Opt Lett 30:3386-8. 2005
    ..300 W quasi-cw output and a maximal attainable gain of approximately 150 for the system are obtained...
  7. ncbi request reprint Temporally stable continuous-wave phase conjugation by stimulated Brillouin scattering in optical fiber with cavity feedback
    Valeri I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh EH14 4AS, UK
    Opt Lett 30:1375-7. 2005
    ..A power threshold of approximately 500 mW and a reflectivity of 70% were obtained in a 340-m-long fiber with a cw Nd:YAG laser...
  8. ncbi request reprint Abnormally low threshold gain of stimulated Brillouin scattering in long optical fiber with feedback
    V I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh EH144AS, UK
    Opt Express 16:12272-7. 2008
    ..The effect is due coherent regenerative amplification of strong spontaneous Brillouin scattering, which occurs in the presence of feedback. The magnitude of the effect scales with the length of interaction...
  9. ncbi request reprint Effect of acoustic wave inertia and its implication to slow light via stimulated Brillouin scattering in an extended medium
    V I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh, EH14 4AS, UK
    Opt Express 17:2826-33. 2009
    ..This delay is the SBS build up time and not the SBS induced group delay normally attributed to slow light...
  10. ncbi request reprint Threshold for stimulated Brillouin scattering in optical fiber
    V I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh, EH14 4AS, UK
    Opt Express 15:17625-30. 2007
    ....
  11. doi request reprint "Slow Light" in stimulated Brillouin scattering: on the influence of the spectral width of pump radiation on the group index
    V I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh, EH14 4AS, UK
    Opt Express 17:17317-23. 2009
    ....
  12. doi request reprint "Slow Light" in Stimulated Brillouin Scattering: on the influence of the spectral width of pump radiation on the group index: reply
    V I Kovalev
    Department of Physics, Heriot Watt University, Edinburgh, UK
    Opt Express 18:1791-3. 2010
    ..We show that the claims in the Comment arise from widespread misconceptions of the principles of both SBS and "slow light" phenomena...
  13. doi request reprint Dynamics of the Stokes pulse in a Brillouin amplifier
    N E Kotova
    Department of Physics, Heriot Watt University, Riccarton, Edinburgh, UK
    Opt Lett 37:1547-9. 2012
    ....