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

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

2023 Conference on Lasers and Electro-Optics (CLEO)（2023）

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摘要

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.

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关键词

Brillouin scattering,chiral flexural phonons,chiral photonic crystal fibre,cork-screw-like flexural phonons,inter-vortex,orthogonal circularly polarized vortex modes,twisted photonic crystal fibre

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