Heterostructures of Quantum-Cascade Lasers with Nonselective Overgrowth by Metalorganic Vapour Phase Epitaxy. - Babichev, A. V.; Gladyshev, A. G.; Denisov, D. V.; Dudelev, V. V.; Mikhailov, D. A.; Slipchenko, S. O.; Lyutetskii, A. V.; Karachinsky, L. Ya.; Novikov, I. I.; Andreev, A. Yu.; Yarotskaya, I. V.; Podgaetskii, K. A.; et al. (Technical Physics Letters, 2023)