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Optics Letters

Optics Letters


  • Vol. 23, Iss. 5 — Mar. 1, 1998
  • pp: 343–345

Thermally induced self-focusing and optical beam interactions in planar strontium barium niobate waveguides

D. Kip, E. Krätzig, V. Shandarov, and P. Moretti  »View Author Affiliations

Optics Letters, Vol. 23, Issue 5, pp. 343-345 (1998)

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We present an experimental study of thermally induced self-focusing effects and interactions of incoherent light beams in strontium barium niobate waveguides. Depending on the input power, a single parallel beam is strongly focused inside the sample up to diameters of several micrometers. For higher input power we observe the splitting of the beam in a sequence of several spots. We demonstrate that these thermally induced refractive-index patterns can be used to focus and deflect an incoherent guided probe beam in the waveguide with time constants below 1 ms.

© 1998 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(160.6840) Materials : Thermo-optical materials
(190.4870) Nonlinear optics : Photothermal effects
(230.7390) Optical devices : Waveguides, planar

D. Kip, E. Krätzig, V. Shandarov, and P. Moretti, "Thermally induced self-focusing and optical beam interactions in planar strontium barium niobate waveguides," Opt. Lett. 23, 343-345 (1998)

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