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Investigation of Injection-Locked Quantum Cascade Lasers based on Rate equations

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Academic year: 2021

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FIG. 1. Sketch of the simplified carrier dynamics model in injection- injection-locked QCLs
FIG. 2. Optical injection-locking diagram as function of the detuning  frequency and the injection ratio
Fig.  3(a)-(c) show the optical injection-locking IM  response of the QCLs as a function of the injection  ratio R inj , frequency detuning and LEF, respectively
FIG. 4. IM response of optical injection-locked QCLs for slow  carrier removal rate ( τ R =0.21 ps) as a function of (a) Injection ratio  at zero detuning with LEF=1, (b) detuning frequency at R inj =10 dB  with LEF=1, and (c) LEF at zero detuning with R i

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