ArticleNanophotonics (Berlin, Germany)2025
Nanodomain poling unlocking backward nonlinear light generation in thin film lithium niobate.
Article in Nanophotonics (Berlin, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Simultaneous Type-0 and Type-I Optical Parametric Oscillation in Submicron Poled Thin-Film Lithium Niobate.Nanophotonics (Berlin, Germany) · 2026Article
- Milliwatt-level UV generation using sidewall poled lithium niobate.Nature communications · 2026Article
- Segmented finger electrodes to optimize ultra-long continuous wafer-scale periodic poling in thin-film lithium niobate.Nanophotonics (Berlin, Germany) · 2025Article
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Authors and funding
4 authors.
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Abstract
Nonlinear frequency conversion offers powerful capabilities for applications in telecommunications, signal processing, and computing. Thin-film lithium niobate (TFLN) has emerged as a promising integrated photonics platform due to its strong electro-optic effect and second-order nonlinearity, which can be exploited through periodic poling. However, conventional poling techniques in x-cut TFLN are constrained to minimum period sizes on the order of microns, restricting access to highly phase-mismatched interactions such as counter- and backward-propagating frequency conversion. In this work, we demonstrate scalable periodic poling of x-cut TFLN with domains periods as short as 215 nm and realize devices that support both counter- and back-propagating phase matching. We estimate conversion efficiencies of 1,474 %/W/cm
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