1 University of L'Aquila, Department of Physical and Chemical Sciences, I-67100, L'Aquila, Italy. carlo.rizza@univaq.it.
2 Consiglio Nazionale delle Ricerche (CNR), Istituto per la Microelettronica e Microsistemi (IMM), unit of Agrate Brianza, via C. Olivetti 2, 20864, Agrate Brianza, Italy.
High-performance THz photodetection is unprecedentedly accessed by integrating a topological Dirac (Weyl) semimetal in a carefully designed antenna at deep-subwavelength scales.