ArticleScience advances2025
Full complex amplitude control of second-harmonic generation via electrically tunable intersubband polaritonic metasurfaces.
Article in Science advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Local-to-Nonlocal Second-Harmonic Generation from Electrically Tunable Intersubband Polaritonic Metasurfaces.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Fabrication and Plasmonic Characterization of Metasurfaces Patterned via Tunable Pyramidal Interference Lithography.Micromachines · 2026Article
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7 authors.
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Abstract
Nonlinear intersubband polaritonic metasurfaces based on coupling of the intersubband nonlinear optical response of quantum-engineered semiconductor heterostructures and electromagnetic modes of nanoresonators provide efficient frequency mixing with moderate pump intensities. The resonant nonlinear optical response, represented as a complex function, can be modulated via Stark tuning of intersubband transition energies under applied voltages. However, achieving full complex amplitude control (both phase and magnitude) remains challenging. In this work, we present and experimentally validate electrically tunable nonlinear intersubband polaritonic metasurfaces that achieve complete complex amplitude control for second-harmonic generation (SHG). Through a design featuring two in-plane flipped meta-atoms per unit cell, we achieve complete electrical control of both the amplitude and phase of the metasurface second-order nonlinear susceptibility, with a tuning range of 0 to 30 nm V
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