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In this paper, we propose a new architecture of photomixer in order to develop a wideband and powerful photomixing THz source. It is achieved by a velocity-matched distributed photoconductor, in which the pump optical power is guided in a dielectric optical guide and slightly coupled to a low-temperature grown GaAs 1-mm-length photoconductor.
We report on-wafer measurements of planar transmission lines on quartz substrate at J-band. We have fabricated and characterized as well CPW than Planar Goubau-Sommerfeld Lines (PGSL) up to 325 GHz. The transmission level is relatively good for straight PGSL but we can notice higher losses for structures with two 90deg-bendings. Different metallization have also been used for the study of metallic...
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