Figure 6
Intensity for +2, +1, 0, −1, and −2 order beam peaks under various injection current. From 1.05Ith to 2.1Ith at room temperature. Inset: Spectra of the CRPC substrate emitting QCL under an increased injection current from 29.6 to 60.8 A.
Figure 6 | Nanoscale Research Letters