Surface acoustic wave stimulated Brillouin scattering in thin-film
  lithium niobate waveguides

Ye, Kaixuan; Feng, Hanke; Klaver, Yvan; Keloth, Akshay; Mishra, Akhileshwar; Wang, Cheng; Marpaung, David

doi:10.48550/arXiv.2311.14697

Surface acoustic wave stimulated Brillouin scattering in thin-film lithium niobate waveguides

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posted on 2023-11-29, 17:00 authored by Kaixuan Ye, Hanke Feng, Yvan Klaver, Akshay Keloth, Akhileshwar Mishra, Cheng Wang, David Marpaung

We report the first-ever experimental observation of backward stimulated Brillouin scattering (SBS) in thin-film lithium niobate (TFLN) waveguides. The peak Brillouin gain coefficient of the z-cut LN waveguide with a crystal rotation angle of 20$^{\circ}$ is as high as 84.9m$^{-1}$W$^{-1}$, facilitated by surface acoustic waves (SAW) at 8.06GHz.

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URL - References https://doi.org/10.48550/arXiv.2311.14697

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Surface acoustic wave stimulated Brillouin scattering in thin-film lithium niobate waveguides

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