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physics.optics2026★ 3 cited
Second harmonic generation and third harmonic generation in topological insulator-based van der Waals metamaterials
Alessandra Di Gaspare, Sara Ghayeb, Craig Knox +3
High-order harmonic generation (HHG) in solids - the frequency up-conversion of an optical signal - is governed by symmetries. At terahertz (THz) frequencies, HHG is a key technolo…
physics.optics2023
Liquid-Crystal-Based Controllable Attenuators Operating in the 1-4 Terahertz Band
Aniela Dunn, Zhaopeng Zhang, Michael D. Horbury +12
Liquid-crystal devices (LCDs) offer a potential route toward adaptive optical components for use in the < 2 THz band of the electromagnetic spectrum. We demonstrate LCDs using a co…