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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1991),
  • paper QTuI40

Wave propagations in the nonlinear waveguide

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Abstract

The incident field is chosen from the stable nonlinear TE0 modes of the input end of the tapered waveguide. Both propagation directions of the fields in the tapered waveguide are considered. When the field is incident in the thicker waveguide with large power, the field radiates the excess power through the spatial soliton. If the remaining part of the field is large after the radiation, it excites the higher-order modes in the waveguide, and the coupling effect is evident, as shown in Fig. 1. On the other hand, the spatial soliton does not appear for the field propagating in the opposite direction.

© 1991 Optical Society of America

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