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Conferences > CLEO_AT > 2023 > JTu2A > JTu2A.146

Measuring Propagation Loss in Slow-light Valley-Hall Photonic Topological Waveguides

Christian Anker Rosiek, Guillermo Arregui, Anastasiia Vladimirova, Marcus Albrechtsen, Babak Vosoughi Lahijani, Rasmus Ellebæk Christiansen, and Søren Stobbe

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Abstract

We measure the propagation loss in trivial and topological slow-light guided interface modes of a valley-Hall photonic topological insulator indicating that there is no topological protection from fabrication-induced disorder.

© 2023 The Author(s)

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