Nonlinear multi-core waveguiding structures with balanced gain and loss
We study existence, stability, and dynamics of linear and nonlinear stationary modes propagating in radially symmetric multicore waveguides with balanced gain and loss. We demonstrate that, in general, the system can be reduced to an effective ƤƬ -symmetric dimer with asymmetric coupling. In the linear case, we find that there exist two modes with real propagation constants before an onset of the ƤƬ -symmetry breaking while other modes have always the propagation constants with nonzero...[Show more]
|Collections||ANU Research Publications|
|Source:||Physical Review A|
|Martinez...Kivshar, Y. S. Nonlinear multicore waveguiding 2015.pdf||2.45 MB||Adobe PDF|
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