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The research aims to develop an electrically reconfigurable quasi-BIC metasurface utilizing barium titanate for advanced optical applications.

April 27, 2026NanophotonicsOpen Access

Electrically Reconfigurable Quasi‐BIC Metadevices Enabled by Integrated Barium Titanate

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Randomized trial demonstrates a high-performance electro-optic metasurface, suggesting advances in miniaturized spectral devices.

The research aims to develop an electrically reconfigurable quasi-BIC metasurface utilizing barium titanate for advanced optical applications.
Demonstrated integration of barium titanate with a quasi-BIC metasurface.
Analyzed structural parameters leading to mode coupling dynamics.
Utilized a voltage-scanned tunable filter for spectral optimization.
Achieved a linear tuning slope of 1.79 nm/V using the Pockels effect.
Spectral reconstruction with 0.2 nm resolution, 99% fidelity, and 89.47% optical throughput.
Successfully miniaturized a spectrometer to 250 μm², enhancing chip-scale portability.

Xia et al. (2026) studied this question.

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