Journal article Open Access

Spatial power splitting and combining based on the Talbot effect

Tayag, Tristan J.; Steer, Michael B.; Harvey, James F.; Yakovlev, Alexander B.; Davis, Jarvis

The Talbot effect, a multimode interference phenomenon, is investigated as a technique for combining power from solid-state devices in order to generate higher levels of microwave and millimeter-wave power in a process referred to as quasioptical or spatial power combining. We explore the feasibility of using the Talbot effect to implement a 1 /spl times/ 8 power splitter and an 8 /spl times/ 1 power combiner at 94 GHz. We report the first demonstration of the multimode interface phenomenon in a planar waveguide at 8 GHz.
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