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Related Experiment Videos

Dynamic nonlinear effect on lasing in a random medium.

B Liu1, A Yamilov, Y Ling

  • 1Department of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208-3112, USA.

Physical Review Letters
|August 26, 2003
PubMed
Summary
This summary is machine-generated.

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Nonlinearity dynamically affects lasing in disordered media. It alters mode frequency, size, and emission intensity, with effects dependent on nonlinear response time relative to lasing mode lifetime, impacting laser output.

Area of Science:

  • Optics and Photonics
  • Condensed Matter Physics

Background:

  • Disordered media exhibit complex light-matter interactions.
  • Nonlinearity plays a crucial role in modifying optical phenomena.

Purpose of the Study:

  • To investigate the dynamic effects of third-order nonlinearity on lasing in disordered media.
  • To understand how nonlinear response time influences lasing characteristics.

Main Methods:

  • Experimental studies of lasing in disordered media.
  • Numerical simulations of nonlinear optical effects.

Main Results:

  • Third-order nonlinearity modifies lasing mode frequency, size, emission intensity, and pulse width.
  • When nonlinear response time exceeds lasing mode lifetime, nonlinearity alters laser output by changing mode size.

Related Experiment Videos

  • Faster nonlinear response enhances single particle scattering, increasing laser emission.

    • Conclusions:

    • Nonlinearity is a key factor in controlling laser emission from disordered media.
    • The interplay between nonlinear response time and lasing mode dynamics dictates the output characteristics.