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Lett."],"published-print":{"date-parts":[[2026,7,15]]},"abstract":"<jats:p>We demonstrate a compact Nd:YVO\u2084 laser with a plano-concave resonator for dynamic generation and switching of high-order Hermite\u2013Gaussian (HG) and Ince\u2013Gaussian (IG) via off-axis pumping and intracavity astigmatic modulation. By adjusting the orthogonal off-axis displacement of the output coupler, stable one-dimensional HG modes up to the 103rd order are obtained. Further tuning the crystal pitch angle modulates the ellipticity and enables efficient conversion into even\u2013odd superimposed IG modes with tunable p and m indices. We also perform dedicated numerical and experimental analysis on this type of superimposed IG mode. All measured results are in good agreement with simulations. 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All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.","name":"copyright","label":"Copyright"}]}}