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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 22 — Nov. 1, 2004
  • pp: 5562–5576

Quadratic soliton collisions

Ladislav Jankovic, Pierre Aboussouan, Marco Affolter, George Stegeman, and Mordechai Katz  »View Author Affiliations

Optics Express, Vol. 12, Issue 22, pp. 5562-5576 (2004)

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The details of two soliton collision processes were investigated in detail in a 1 cm long periodically poled KTP crystal for the case when the solitons were excited by inputting only the fundamental beam. The effects on the collision outcomes of the distance of the collision into the sample, collision angle and phase mismatch were measured for different relative phases between the input beams. At small angles (around 0.40) fusion, repulsion and energy transfer processes were observed, while at the collision angles approaching 3.20 the two output soliton beams were essentially unaffected by the interaction. The phase mismatch was varied from 3.5 to -1.5π for the 0.40 collision angle case. The output soliton separation at π input phase difference showed strongly asymmetric behavior with phase mismatch. In general, the measurements indicate a decrease in the interaction strength with increasing phase mismatch. All collision processes were performed in the vicinity of a non-critical phase matching.

© 2004 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons

ToC Category:
Research Papers

Original Manuscript: September 15, 2004
Revised Manuscript: October 26, 2004
Published: November 1, 2004

Ladislav Jankovic, Pierre Aboussouan, Marco Affolter, George Stegeman, and Mordechai Katz, "Quadratic soliton collisions," Opt. Express 12, 5562-5576 (2004)

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