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Bimodal Directional Laser

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Abstract

We demonstrate dynamical encirclement of an exceptional point in a laser cavity. By continuously varying the detuning and coupling between a pair of PT-symmetric waveguides, the mode morphs into a different eigenmode as it emerges from opposing facets.

© 2020 The Author(s)

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More Like This
Bimodal Directional Laser via Dynamically Encircling an Exceptional Point

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