Control of nonlinear collapse in magnetooptical Kerr media


  • Katarzyna Agnieszka Rutkowska Warsaw University of Technology
  • Yoav Linzon INRS-EMT, University of Quebec
  • Boris A. Malomed Faculty of Engineering, Tel Aviv University
  • Roberto Morandotti INRS-EMT, University of Quebec



We demonstrate a novel approach to the control of the collapse of optical beams in Kerr media. To this end, we consider a combination of two magnetooptical (MO) phenomena, the Cotton-Mouton and Faraday effects, in order to introduce a suitable and tunable interplay between the induced linear and circular birefringences. Our numerical analysis confirms that a properly applied external magnetic field may alter the dynamics of the beam propagation in magnetic self-focusing bulk Kerr media. For a chosen value of the optical power, the acceleration, the delay or even the arrest of the collapse can be achieved. We demonstrate experimentally the magnetically-induced acceleration of the collapse in a ferrimagnetic yttrium iron garnet crystal (YIG).

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Author Biography

Katarzyna Agnieszka Rutkowska, Warsaw University of Technology

Faculty of Physics




How to Cite

K. A. Rutkowska, Y. Linzon, B. A. Malomed, and R. Morandotti, “Control of nonlinear collapse in magnetooptical Kerr media”, Photonics Lett. Pol., vol. 1, no. 4, pp. pp. 166–168, Dec. 2009.