Fig. 5
From: Band-structure-engineered high-gain LWIR photodetector based on a type-II superlattice

The optical gain of the LWIR phototransistor versus the relative incident optical power at 6.8 μm (T = 77 K and Vb = 220 mV)
From: Band-structure-engineered high-gain LWIR photodetector based on a type-II superlattice
The optical gain of the LWIR phototransistor versus the relative incident optical power at 6.8 μm (T = 77 K and Vb = 220 mV)