On-Chip Backward Stimulated Brillouin Scattering in Lithium Niobate Waveguides
Optica(2023)
摘要
We report on the first experimental demonstration of backward stimulated
Brillouin scattering (SBS) in Lithium Niobate on Insulator (LNOI) waveguides.
Performing polarization-dependent pump-probe experiments, we successfully
quantified both intramodal and intermodal scattering among fundamental modes,
showcasing substantial gains up to $G_{B}=$10m$^{-1}$W$^{-1}$. Such large gains
on simple waveguides open a pathway for unlocking novel opto-electro-mechanical
phenomena within the LNOI platform.
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关键词
lithium niobate waveguides,on-chip
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