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Optics Letters

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  • Vol. 29, Iss. 3 — Feb. 1, 2004
  • pp: 259–261

Observation of transverse instabilities in optically induced lattices

Dragomir Neshev, Andrey A. Sukhorukov, Yuri S. Kivshar, and Wieslaw Krolikowski  »View Author Affiliations


Optics Letters, Vol. 29, Issue 3, pp. 259-261 (2004)
http://dx.doi.org/10.1364/OL.29.000259


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Abstract

We study experimentally the Bloch-wave instabilities in optically induced photonic lattices. We reveal two different instability scenarios associated with either the transverse modulational instability of a single Bloch wave or the nonlinear interband coupling between different Bloch waves. We show that the transverse instability is greatly enhanced in the induced lattice in comparison with homogeneous media.

© 2004 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in

Citation
Dragomir Neshev, Andrey A. Sukhorukov, Yuri S. Kivshar, and Wieslaw Krolikowski, "Observation of transverse instabilities in optically induced lattices," Opt. Lett. 29, 259-261 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-3-259


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References

  1. Yu. S. Kivshar and D. E. Pelinovsky, Phys. Rep. 331, 117 (2000).
  2. Yu. S. Kivshar and G. P. Agrawal, Optical Solitons: from Fibers to Photonic Crystals (Academic, San Diego, Calif., 2003).
  3. J. W. Fleischer, T. Carmon, M. Segev, N. K. Efremidis, and D. N. Christodoulides, Phys. Rev. Lett. 90, 023902 (2003).
  4. D. Neshev, E. A. Ostrovskaya, Yu. S. Kivshar, and W. Krolikowski, Opt. Lett. 28, 710 (2003).
  5. D. N. Christodoulides, F. Lederer, and Y. Silberberg, Nature 424, 817 (2003).
  6. A. A. Sukhorukov, D. Neshev, Yu. S. Kivshar, and W. Krolikowski, arXiv.org e-Print archive, nlin.PS/0309075, September 30, 2003, http://arxiv.org/abs/nlin.ps/0309075.
  7. Z. G. Chen, J. Klinger, and D. N. Christodoulides, Phys. Rev. E 66, 066601 (2002).
  8. Y. V. Kartashov, V. A. Aleshkevich, V. A. Vysloukh, A. A. Egorov, and A. S. Zelenina, J. Opt. Soc. Am. B 20, 1273 (2003).
  9. Experimentally, the angle between the induced waveguides and the probe beam is measured in air by the degree of rotation of the beam splitter that combines the orthogonally polarized beams. The actual angle inside the crystal is n=2.3 times smaller.

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