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First demonstration of arrayed waveguide gratings using lithium tantalate shows low birefringence benefits for design.
We report the first demonstration of arrayed waveguide grating (AWG) on an integrated X-cut thin-film lithium tantalate platform. The low birefringence of lithium tantalate greatly facilitates the design of AWG on this electro-optic material platform.
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Hulyal et al. (2025) studied this question.
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