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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 13 — Jun. 23, 2008
  • pp: 9417–9428

Soliton switching and multi-frequency generation in a nonlinear photonic crystal fiber coupler

Kaisar R. Khan, Thomas X. Wu, Demetrios. N. Christodoulides, and George I. Stegeman  »View Author Affiliations

Optics Express, Vol. 16, Issue 13, pp. 9417-9428 (2008)

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Soliton switching in nonlinear directional couplers implemented in photonic crystal fibers (PCF) examined here. A vector finite element method (FEM) has been developed to precisely calculate the dispersion along with coupling length of the guided modes. The PCF coupler geometry was carefully designed so that it can support soliton pulses. Soliton switching is demonstrated numerically at 1.55 µm for 100 femto-second (fs) pulses. Our theoretical results explain some of the key spectral features previously observed in the experiment.

© 2008 Optical Society of America

OCIS Codes
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(230.5298) Optical devices : Photonic crystals

ToC Category:
Nonlinear Optics

Original Manuscript: April 25, 2008
Revised Manuscript: June 2, 2008
Manuscript Accepted: June 4, 2008
Published: June 11, 2008

Kaisar R. Khan, Thomas X. Wu, Demetrios N. Christodoulides, and George I. Stegeman, "Soliton switching and multi-frequency generation in a nonlinear photonic crystal fiber coupler," Opt. Express 16, 9417-9428 (2008)

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