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Very Long-Wavelength GaAs/AlxGa1-xAs Infrared Hot Electron Transistor

We have demonstrated a bound to continuum state GaAs/AlxGa1-xAs infrared hot electron transistor which has a peak response at (sub =16.3). This device utilizes a bound-to-continuum quantum well infrared photodetector as a photosensitive emitter and a wide AlxGa1-xAs barrier between the base and the collector as an energy discriminating filter.

infrared hot electron transistor photosensitive em↗