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Optics Letters

Optics Letters


  • Vol. 19, Iss. 20 — Oct. 15, 1994
  • pp: 1612–1614

Spatial optical solitons governed by quadratic nonlinearity

Alexander V. Buryak and Yuri S. Kivshar  »View Author Affiliations

Optics Letters, Vol. 19, Issue 20, pp. 1612-1614 (1994)

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We demonstrate that a dielectric medium with purely quadratic nonlinearity [the so-called χ(2) material] can display self-focusing phenomena through a new type of modulational instability of the interacting fundamental and second-harmonic field components and therefore can support propagation of (two-wave) optical solitons. We prove the existence of a family of such solitons, which are found numerically and, in some particular cases, also analytically. The two-wave solitons are stable in the whole parameter region in which they exist.

© 1994 Optical Society of America

Original Manuscript: April 29, 1994
Published: October 15, 1994

Alexander V. Buryak and Yuri S. Kivshar, "Spatial optical solitons governed by quadratic nonlinearity," Opt. Lett. 19, 1612-1614 (1994)

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