Abstract
The potential of vertical series-like InP transferred electron devices operating in the electron accumulation layer and multiple transit-time mode is investigated at 400 GHz by means of one-dimensional time-domain energy/momentum numerical modeling. The device structure has been optimized at 500 K. The RF operating mode is analyzed. The potential of two- and three-transit series-like TED is compared to the performance of a classical single-transit N+NN+ TED. The series-like TED clearly improves the RF performance and impedance level and consequently is a possible solution to extend the TED frequency limitation at submillimeter wave. The device RF operation stability and thermal consistency of the results are analyzed.
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