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    • Importance of growth direction in mid-infrared quantum cascade lasers 

      Bouzi, Pierre M.; Chiu, YenTing; Deutsch, Christoph; Dikmelik, Yamac; Song, Yu; Tokranov, Vadim; Oktyabrsky, Serge; Gmachl, Claire (Journal of Applied Physics, 2014)
      We report on the effect of growth direction on the performance of mid-infrared Quantum Cascade lasers. The design used has a symmetric active core, capable of operating under both negative and positive polarities, which ...