Dynamically encircling an exceptional point for asymmetric mode switching

Jörg Doppler, Alexei A. Mailybaev (), Julian Böhm, Ulrich Kuhl (), Adrian Girschik, Florian Libisch, Thomas J. Milburn, Peter Rabl, Nimrod Moiseyev and Stefan Rotter ()
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Jörg Doppler: Institute for Theoretical Physics, Vienna University of Technology (TU Wien)
Alexei A. Mailybaev: Instituto Nacional de Matemática Pura e Aplicada—IMPA
Julian Böhm: Laboratoire de Physique de la Matière Condensée, CNRS UMR 7336, Université Nice Sophia Antipolis
Ulrich Kuhl: Laboratoire de Physique de la Matière Condensée, CNRS UMR 7336, Université Nice Sophia Antipolis
Adrian Girschik: Institute for Theoretical Physics, Vienna University of Technology (TU Wien)
Florian Libisch: Institute for Theoretical Physics, Vienna University of Technology (TU Wien)
Thomas J. Milburn: Vienna Center for Quantum Science and Technology, Atominstitut, Vienna University of Technology (TU Wien)
Peter Rabl: Vienna Center for Quantum Science and Technology, Atominstitut, Vienna University of Technology (TU Wien)
Nimrod Moiseyev: Schulich Faculty of Chemistry and Faculty of Physics, Technion—Israel Institute of Technology
Stefan Rotter: Institute for Theoretical Physics, Vienna University of Technology (TU Wien)

Nature, 2016, vol. 537, issue 7618, 76-79

Abstract: A two-mode waveguide is designed to realize a dynamical encircling of an exceptional point at which two resonances coincide in their frequency and their rate of decay; as a result the waveguide transmits only into a unique mode at either one of its two output ports.

Date: 2016
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DOI: 10.1038/nature18605

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