Electrostatic gating in Cd3As2 reshapes Fermi pockets around photoinduced Floquet Weyl nodes to selectively tune the Berry curvature-driven component of terahertz emission, achieving near-circular polarization at +10 V.
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Electrically Tunable Terahertz Chirality from Quantum Geometry
Electrostatic gating in Cd3As2 reshapes Fermi pockets around photoinduced Floquet Weyl nodes to selectively tune the Berry curvature-driven component of terahertz emission, achieving near-circular polarization at +10 V.