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Nonlinear guided waves coupled nonlinearly in a planar GaAs/GaAlAs multiple quantum well structure
A nonlinear guided-wave concept and nonlinear coupled-wave equations are used to study numerically the coupling characteristics of two planar waveguides in a GaAs/GaAlAs multiple quantum well structure with self-defocusing nonlinearities. Both the mode-intensity-dependent critical power and the coup...
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Published in: | Applied physics letters 1986-09, Vol.49 (13), p.755-757 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | A nonlinear guided-wave concept and nonlinear coupled-wave equations are used to study numerically the coupling characteristics of two planar waveguides in a GaAs/GaAlAs multiple quantum well structure with self-defocusing nonlinearities. Both the mode-intensity-dependent critical power and the coupling length are calculated for the first time using the nonlinear field distributions. An optically controlled modulation/switching behavior is predicted. |
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ISSN: | 0003-6951 1077-3118 |
DOI: | 10.1063/1.97537 |