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Direct modulation and bandwitdh measurement of terahertz quantum cascade laser

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Figure 1. Optical power versus current of a 30-periods QCL (dotted line : experimental data, solid line : simplified model and dashed line : enhanced model) 16
Table 1. Device parameters used in numerical simulations (unless stated otherwise) (from 14, 15, 17, 18 ) Parameter Value Number of periods N p 30 Confinement factor Γ 0.27 Cavity losses α i 24cm −1 Gain G 5.3 ×10 4 s −1
Figure 2. Comparison between full numerical simulation and linearized state system of a 30-periods QCL.
Figure 3. legende
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