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Conferences > CLEO_QELS > 2019 > FTu3B > FTu3B.2

Bimodal Directional Laser via Dynamically Encircling an Exceptional Point

Jason Leshin, Yousef Alahmadi, Absar Ul-Hassan, G. Lopez Galmiche, Patrick Likamwa, Demetrios N. Christodoulides, and Mercedeh Khajavikhan

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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 laser simultaneously emits two eigenmodes, one from each facet.

© 2019 The Author(s)

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