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    • Gordon, Ariel; Wang, Christine Y.; Diehl, L.; Kaertner, F. X.; Belyanin, Alexey; Bour, D.; Corzine, S.; Hoefler, G.; Liu, H. C.; Schneider, H.; Maier, T.; Troccoli, M.; Faist, J.; Capasso, Federico (American Physical Society, 2008)
      A theoretical and experimental study of multimode operation regimes in quantum cascade lasers (QCLs) is presented. It is shown that the fast gain recovery of QCLs promotes two multimode regimes: One is spatial hole burning ...