Bugajski M, Pierściński K, Pierscinska D, Szerling A, Kosiel K. Multimode instabilities in mid-infrared quantum cascade lasers. Photonics Lett. Pol. [Internet]. 2013 Sep. 26 [cited 2024 Apr. 30];5(3):pp. 85-87. Available from: https://www.photonics.pl/PLP/index.php/letters/article/view/5-31