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Conferences > CLEO_QELS > 2018 > FTh3E > FTh3E.6

Landau-Zener-Bloch oscillations and valley-dependent vortex generation in photonic graphene

Yong Sun, Daniel Leykam, Stephen Nenni, Daohong Song, Hong Chen, Y. D. Chong, and Zhigang Chen

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Abstract

We observe Bloch oscillations and Landau-Zener-tunneling at Dirac points in photonic graphene. The non-adiabatic wave dynamics depend anisotropically on the direction of an applied index gradient, resulting in imperfect Landau-Zener-tunneling and valley-dependent vortex generation.

© 2018 The Author(s)

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