The Terahertz laboratories are actively involved in creating new emitters and detection techniques at terahertz frequencies.<\/p>\n
We demonstrate experimentally nonvolatile, all-optical control of graphene\u2019s charge transport properties by virtue of an Fe:LiNbO3<\/sub> photoconductive substrate. The substrate can register and sustain photoinduced charge distributions which modify locally the electrostatic environment of the graphene monolayer and allow spatial control of graphene resistivity.<\/p>\n see publication<\/p>\n https:\/\/pubs.acs.org\/doi\/10.1021\/acsnano.8b02161<\/p>\n Research involving the creation of new THz antennas, particularly antennas that do not require electrical bias signal. Currently, the group is focussing on antennas that utilise the lateral photo-Dember effect, where the diffusion of photo-excited carriers is responsible for the emitted THz waves.<\/p>\n","protected":false},"excerpt":{"rendered":" The Terahertz laboratories are actively involved in creating new emitters and detection techniques at terahertz frequencies. Optical Gating of Graphene We demonstrate experimentally nonvolatile, all-optical control of graphene\u2019s charge transport properties by virtue of an Fe:LiNbO3 photoconductive substrate. The substrate can register and sustain photoinduced charge distributions which modify locally the electrostatic environment of the … <\/p>\nNovel emitters<\/a><\/h3>\n