Theoretical investigation of GaAs-transit-time diodes in harmonic mode operation as well as optimization, realization, and characterization of the measured results were carried out in the frequency range of 170 GHz 260 GHz (Y-band). A GaAs double-drift Read type diode structure was optimized by a large signal model fabricated by a molecular beam epitaxy apparatus and encapsulated by an extremely low parasitic mounting technique in a D-band disc resonator. Experimentally, cw-output power of 40 mW at 192 GHz and 1 mW at 242 GHz were obtained as the best results in the second harmonic mode operation.
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Theoretical investigation of GaAs-transit-time diodes in harmonic mode operation as well as optimization, realization, and characterization of the measured results were carried out in the frequency range of 170 GHz 260 GHz (Y-band). A GaAs double-drift Read type diode structure was optimized by a large signal model fabricated by a molecular beam epitaxy apparatus and encapsulated by an extremely low parasitic mounting technique in a D-band disc resonator. Experimentally, cw-output power of 40...
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