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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 14 — Jul. 9, 2007
  • pp: 9040–9047

Numerical study of nonlinear interactions in a multimode waveguide

T. Chaipiboonwong, P. Horak, J. D. Mills, and W. S. Brocklesby  »View Author Affiliations

Optics Express, Vol. 15, Issue 14, pp. 9040-9047 (2007)

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Multimode nonlinear pulse propagation within a Ta2O5 rectangular rib waveguide has been numerically simulated. The study provides information relating to both the localized spectral evolution along the waveguide and the transverse spectral variation across the guide. The results explain measurements from our previous near-field scanning microscopy experiments that were designed to map continuum generation along and across such waveguides, and that deviated significantly from simple theory. The simulations predict an increased nonlinear phase modulation compared to that occurring in nonlinear single-mode waveguides, due to intermodal nonlinear effects such as cross-phase modulation, leading to an enhanced spectral broadening.

© 2007 Optical Society of America

OCIS Codes
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons

ToC Category:
Nonlinear Optics

Original Manuscript: March 30, 2007
Revised Manuscript: May 16, 2007
Manuscript Accepted: May 19, 2007
Published: July 6, 2007

T. Chaipiboonwong, P. Horak, J. D. Mills, and W. S. Brocklesby, "Numerical study of nonlinear interactions in a multimode waveguide," Opt. Express 15, 9040-9047 (2007)

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