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

Ye, Kaixuan; Feng, Hanke; Klaver, Yvan; Keloth, Akshay; mishra, akhileshwar; Wang, Cheng; Marpaung, David

doi:10.1364/opticaopen.24441103.v1

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

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posted on 2023-10-27, 10:08 authored by Kaixuan Ye, Hanke Feng, Yvan Klaver, Akshay Keloth, akhileshwar mishra, Cheng Wang, David Marpaung

We observed the first-ever Brillouin scattering in thin-film lithium niobate (TFLN) waveguides. The z-cut TFLN waveguide, at 20° rotation angle, achieves a remarkable 84.9 m-1W-1 Brillouin gain coefficient, facilitated by 7.88 GHz surface acoustic waves.

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European Research Council (101043229 TRIFFIC); Nederlandse Organisatie voor Wetenschappelijk Onderzoek (740.018.021); University Grants Committee (N_CityU11320,CityU11204022); Croucher Foundation (9509005)

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110619

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stimulated Brillouin scattering thin film lithium niobate surface acoustic waves

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Optica Publishing Group Non-Exclusive License

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

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