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Conferences > CLEO_FS > 2023 > FTh3B > FTh3B.2

Inter-vortex forward Brillouin scattering by chiral flexural phonons in twisted photonic crystal fibre

Xinglin Zeng, Philip St.J. Russell, Andreas Geilen, Steven Becker, and Birgit Stiller

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Abstract

We report forward stimulated Brillouin scattering between orthogonal circularly polarized vortex modes in chiral photonic crystal fibre. The interaction is mediated by cork-screw-like flexural phonons, which provide both linear and orbital angular momentum.

© 2023 The Author(s)

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