Strip waveguide with FET amplifier - with source drain and gate in SC chip and functioning in consequence of differential saturation wave velocity

摘要

The strip waveguide is produced on an insulating layer on the SC chip at such an angle to a line between source and drain, that when a voltage is applied between source and drain, a charge wave runs from source to drain at a velocity approx. equal to an electromagnetic wave propagation velocity in the strip waveguide. Propagation velocity of the electromagnetic wave in an SC plate (3) made of silicon, germanium or an SC material with similar band structure, is a little lower than saturation phase velocity of the charge wave (9) running from source (6) to drain (7), whose charge carriers can be slowed down by the field based on the electromagnetic wave.