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This approach shows enhanced tuning efficiency in ring resonators, indicating significant reductions in power consumption and improved operational endurance.
We demonstrate electrically programmable Sb2S3-clad silicon ring resonator using silicon microheater at CMOS compatible voltage of < 3V and low switching energy with high endurance near 1550 nm. Combining volatile thermo-optic effect with non-volatile PCMs, we demonstrate 7-bit (127 levels) operation with reduced power consumption.
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Dutta et al. (2025) studied this question.
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