Power‐dependent switching in a coherent nonlinear directional coupler in the presence of saturation
- 3 August 1987
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 51 (5) , 293-295
- https://doi.org/10.1063/1.98476
Abstract
The fundamental limitations for all‐optical switching in a nonlinear directional coupler due to the saturation of the nonlinearity have been obtained by solving analytically the nonlinear coupled‐mode equations. We found that there is a minimum value required for the saturation index change to obtain efficient switching, and that the number of powers at which switching occurs at one beat length can double.Keywords
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