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Researchers develop highly efficient ultrabroadband edge coupler

Thin-film lithium niobate (TFLN) is a versatile nanophotonic platform that has recently emerged. TFLN-based periodically poled lithium niobite (PPLN) devices outperform their legacy counterparts in both non-linear optical efficiency and device footprint due to their advantages of high optical confinement, enhanced light-matter interaction, and...

Hyperpolic shear polaritons in low-symmetry crystals

Fritz Haber Institute of the Max Planck Society, Vanderbilt University, City University of New York, University of Nebraska and University of Iowa scientists have published new results on asymmetric light-matter waves. The study has been published in Nature. The study has uncovered that low-symmetry...