ArticleNano letters2024
Ultrasensitive Photothermal Switching with Resonant Silicon Metasurfaces at Visible Bands.
Article in Nano letters, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Thermally Reconfigurable Metasurfaces: From Linear Wavefront Control to Nonlinear and Chemical Functionality.Nano letters · 2026Review
- Manipulating terahertz phonon-polariton in the ultrastrong coupling regime with bound states in the continuum.Light, science & applications · 2025Article
- Stimulator-multiplexing framework of microwave-infrared compatible reconfigurable metasurface integrated with LED array.Nanophotonics (Berlin, Germany) · 2025Article
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Authors and funding
7 authors.
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Abstract
Dynamic access to quasi-bound states in the continuum (q-BICs) offers a highly desired platform for silicon-based active nanophotonic applications, while the prevailing tuning approaches by free carrier injections via an all-optical stimulus are yet limited to THz and infrared ranges and are less effective in visible bands. In this work, we present the realization of active manipulations on q-BICs for nanoscale optical switching in the visible by introducing a local index perturbation through a photothermal mechanism. The sharp q-BIC resonance exhibits an ultrasensitive susceptibility to the complex index perturbation, which can be flexibly fulfilled by optical heating of silicon. Consequently, a mild pump intensity of 1 MW/cm
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