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Critical power in a symmetric nonlinear directional coupler

Autor
Dios, V.; Nogués, X.; Canal, F.
Tipus d'activitat
Article en revista
Revista
Optical and quantum electronics
Data de publicació
1992-10
Volum
24
Número
10
Pàgina inicial
1191
Pàgina final
1201
DOI
https://doi.org/10.1007/BF00620315 Obrir en finestra nova
URL
http://link.springer.com.recursos.biblioteca.upc.edu/article/10.1007/BF00620315 Obrir en finestra nova
Resum
An alternative theoretical analysis directed to obtaining a more accurate expression for the critical power in the symmetric nonlinear directional coupler, or other nonlinear, five-layer waveguiding structures, is reported. Our analysis works with the nonlinear supermodes of the waveguide, and it is presented as an improvement of the preceding study by Silberberg and Stegeman [1]. Numerical simulations comparing both techniques, and by means of the beam propagation method, are reported for a few...
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RSLAB - Grup de Recerca en Teledetecció

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