First thin-film lithium tantalate acousto-optic modulator using topological interface states achieves 0.13 × 0.12 mm² footprint, 0.491 V·cm half-wave voltage-length product, and stable modulation up to 630.9 mW on-chip optical power.
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physics.optics 1years
2026 1verdicts
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High-power-handling ultra-compact acousto-optic modulators using one-dimensional topological interface states on thin-film lithium tantalate
First thin-film lithium tantalate acousto-optic modulator using topological interface states achieves 0.13 × 0.12 mm² footprint, 0.491 V·cm half-wave voltage-length product, and stable modulation up to 630.9 mW on-chip optical power.