The Asymmetric Active Coupler: Stable Nonlinear Supermodes and Directed Transport

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Date

2016-09-19

Authors

Kominis, Yannis
Bountis, Tassos
Flach, Sergej

Journal Title

Journal ISSN

Volume Title

Publisher

Scientific Reports

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.

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Keywords

Asymmetric Active Coupler

Citation

Yannis Kominis, Tassos Bountis, Sergej Flach. 2016. The Asymmetric Active Coupler: Stable Nonlinear Supermodes and Directed Transport. Scientific Reports

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