Journal
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS
Volume 27, Issue 15, Pages 1976-1985Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09205071.2013.832488
Keywords
Gaussons; solitons; couplers; conservation laws
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This paper studies optical Gaussons in nonlinear directional couplers. Both twin-core couplers as well as multiple-core couplers are considered. For multiple-core couplers, coupling with nearest neighbors as well as coupling with all neighbors are considered. A closed form optical Gausson solution is obtained in all of these cases where the amplitude of the Gaussons is governed by a nonlinear difference equation. The domain restrictions naturally fall out as constraint conditions in order for the Gaussons to exist.
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