Figure 3
From: Short-period scattering-assisted terahertz quantum cascade lasers operating at high temperatures
Position-energy resolved current density mappings at an operating bias of 52 mV/period for both design-1 (up-row, A, B, C, D) and design-2 (down-row, A#, B#, C#, D#), with various high-energy states involved one by one.
