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TM-polarized nonlinear guided waves in multilayer systems

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6 Author(s)
Biehlig, W. ; Dept. of Phys., Friedrich-Schiller Univ., Jena, Germany ; Lederer, F. ; Trutschel, U. ; Langbein, U.
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The ability of various multilayer systems to support TM-polarized nonlinear guided waves is studied. A flexible numerical technique which includes the proper consideration of the nonlinear crossing conditions is used to calculate the field profiles and derive the dispersion relations. The fundamentals of the model are described, and the algorithm is applied to several nonlinear film configurations. For the sake of comparison with the finite-element method, a single linear film, embedded between two nonlinear materials, is treated. A three-film unit cell, consisting of a high-index linear film, sandwiched between two low-index nonlinear, ones is considered. This is the elementary unit cell of a composite geometry, a ten-unit-cell superlattice, which is then studied. It is found that unlike TE-polarized nonlinear guided waves in multilayer systems, the TM waves reveal a distinct power maximum. The inclusion of saturation effects in the analysis is straightforward

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Quantum Electronics, IEEE Journal of  (Volume:27 ,  Issue: 2 )