The Asymmetric Active Coupler: Stable Nonlinear Supermodes and Directed Transport

Yannis Kominis; Tassos Bountis; Sergej Flach

doi:10.1038/srep33699

The Asymmetric Active Coupler: Stable Nonlinear Supermodes and Directed Transport

Yannis Kominis, Tassos Bountis, Sergej Flach

Department of Mathematics

Research output: Contribution to journal › Article

20 Citations (Scopus)

Abstract

We consider the asymmetric active coupler (AAC) consisting of two coupled dissimilar waveguides with gain and loss. We show that under generic conditions, not restricted by parity-time symmetry, there exist finite-power, constant-intensity nonlinear supermodes (NS), resulting from the balance between gain, loss, nonlinearity, coupling and dissimilarity. The system is shown to possess non-reciprocal dynamics enabling directed power transport functionality.

Original language	English
Article number	33699
Journal	Scientific Reports
Volume	6
DOIs	https://doi.org/10.1038/srep33699
Publication status	Published - Sep 19 2016

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Kominis, Y., Bountis, T., & Flach, S. (2016). The Asymmetric Active Coupler: Stable Nonlinear Supermodes and Directed Transport. Scientific Reports, 6, [33699]. https://doi.org/10.1038/srep33699

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