Núria Alcalde-Herraiz, Alessia Garibaldi, Karn Rongrueangkul, Alexei Kalaboukhov, Floriana Lombardi, Sergey Cherednichenko, Thilo Bauch. "THz mixing of high-order harmonics using YBa2Cu3O7−
                    <i>δ</i>
                    nanobridges." Applied Physics Letters, 2026. doi:10.1063/5.0309494