Erratum: “Tapered quantum cascade lasers” [Appl. Phys. Lett. 91, 181122 (2007)]

@inproceedings{Naehle2008ErratumQ,
  title={Erratum: “Tapered quantum cascade lasers” [Appl. Phys. Lett. 91, 181122 (2007)]},
  author={Lars Naehle and Julia Semmel and Wolfgang Kaiser and Sven H{\"o}fling and Alfred Forchel},
  year={2008}
}