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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 15 — Jul. 29, 2013
  • pp: 18558–18571

Understanding the contribution of mode area and slow light to the effective Kerr nonlinearity of waveguides

V. Shahraam Afshar, T. M. Monro, and C. Martijn de Sterke  »View Author Affiliations

Optics Express, Vol. 21, Issue 15, pp. 18558-18571 (2013)

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We resolve the ambiguity in existing definitions of the effective area of a waveguide mode that have been reported in the literature by examining which definition leads to an accurate evaluation of the effective Kerr nonlinearity. We show that the effective nonlinear coefficient of a waveguide mode can be written as the product of a suitable average of the nonlinear coefficients of the waveguide’s constituent materials, the mode’s group velocity and a new suitably defined effective mode area. None of these parameters on their own completely describe the strength of the nonlinear effects of a waveguide.

© 2013 osa

OCIS Codes
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(130.4310) Integrated optics : Nonlinear
(190.3270) Nonlinear optics : Kerr effect
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(060.4005) Fiber optics and optical communications : Microstructured fibers

ToC Category:
Nonlinear Optics

Original Manuscript: June 10, 2013
Revised Manuscript: July 12, 2013
Manuscript Accepted: July 14, 2013
Published: July 26, 2013

V. Shahraam Afshar, T. M. Monro, and C. Martijn de Sterke, "Understanding the contribution of mode area and slow light to the effective Kerr nonlinearity of waveguides," Opt. Express 21, 18558-18571 (2013)

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