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Wavelength tuning and thermal dynamics of continuous-wave mid-IR distributed feedback quantum cascade laser [ Lionel Tombez Francesco Cappelli Stephane Schilt Gianni Di Domenico Saverio Bartalini Daniel Hofstetter ]

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Academic year: 2021

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Figure

TABLE I. QCLs main characteristics.
FIG. 2. Simplified diagram of the QCL cross-section. (1) Active core, (2) cladding, (3) substrate.
FIG. 4. Temperature dependence of the cut-off frequencies f 1 , f 2 , and f 3

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