Experimental demonstration shows tunable quality factor in photonic crystal cavities, suggesting advancements in optical devices.
We demonstrate photonic crystal cavities in lithium niobate with controllable cavity-waveguide coupling. The quality factor is tunable with a dynamic range > 20 and an intrinsic value of Q i = 2 . 6 × 10 5 .
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Rasmussen et al. (2025) studied this question.
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