Schottky diode arrays for submillimeter-wave sideband generation

A 100-element varactor sideband generator array for operation at 1.6 THz has been designed and fabricated. The array consists of varactor Schottky diodes fabricated on GaAs and integrated into an array of bowtie antennas. An integrated transmission line stub is included to tune the diode parasitic capacitance. Harmonic balance simulations predict the array to have a sideband conversion loss of 8.3 dB.