Abstract
Abstract In this paper, we propose a terahertz wave detector using a grain boundary Josephson junctions (GBJJs) with a single slot-dipole antenna (SDA). A full-wavelength single SDA structure designed for 220 GHz was patterned with an Au on an YBa2Cu3O7-δ (YBCO) GBJJ covered with an insulating benzocyclobutene (BCB). The current-voltage characteristic of the detector showed clear Shapiro steps for radio frequency wave irradiation at frequencies around the designed one.
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