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We observed coherent power combination in 3- and 6-element oscillator array using resonant tunneling diodes coupled through planar circuits in sub-THz range. InGaAs/AlAs resonant tunneling diode oscillators with slot antennas are arranged collinearly on the same InP wafer, and coupled with each other through a metal-insulator-metal stub structure. In 3-element array, a single peak at 293 GHz with...
We propose highly integrated array of resonant tunneling diode oscillators and observed coherent power combination in this structure. Two InGaAs/AlAs RTD oscillators with slot antennas on the same InP wafer are arranged collinearly, and coupled with each other through a 5-mum-long metal-insulator-metal stub structure. Although the individual oscillation frequencies were 329 GHz and 332 GHz, a single...
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