This research demonstrates a non-volatile bragg filter achieving 99% reflectivity in dynamic spectral tuning, indicating significant control over light properties.
We present a non-volatile, electrically programmable on-chip Bragg filter using phase-change Sb 2 S 3 for dynamic spectral tuning. This low-power, reconfigurable device achieves 99% reflectivity, 20 nm tuning, and quasi-continuous spectral control.
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Alquliah et al. (2025) studied this question.
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