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Lithium Niobate Microrings
In article number 2208113, Rongjin Zhuang, Yang Li, and co‐workers develop a wet‐etching method for thin film lithium niobate (TFLN), leading to the fabrication of microrings with an intrinsic quality factor over 9 million. This method features high throughput, high reproducibility, and low cost in etching TFLN, showing the potential to boost the mass production of integrated...
Thin‐film lithium niobate (TFLN) has been widely used in electro‐optic modulators, acoustic‐–optic modulators, electro‐optic frequency combs, and nonlinear wavelength converters owing to the excellent optical properties of lithium niobate. The performance of these devices is highly dependent on the fabrication quality of TFLN. Although state‐of‐the‐art TFLN microrings with an intrinsic quality factor...
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