Development of an highly distributed photoconductor for CW THz generation
2018
In this communication, 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 (VMDP), 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 present the fabrication and the characterization of the dielectric optical guide and the THz waveguide which form the VMDP.
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