1. R. Michalzik, VCSELs: Fundamentals, Technology and Applications of Vertical-Cavity Surface-Emitting Lasers (Springer, London, 2013).
2. S. Spiga, A. Andrejew, G. Boehm, and M.-C. Amann, in Proceedings of the 18th International Conference Transparent Optical Networks, Trento, Italy,
2016, p. 1.
3. A. V. Babichev, A. S. Kurochkin, E. S. Kolodeznyi, A. G. Gladyshev, I. I. Novikov, L. Y. Karachinsky, and A. Y. Egorov, Mater. Phys. Mech. 24, 284 (2015).
4. I. I. Novikov, A. V. Babichev, E. S. Kolodeznyi, A. S. Kurochkin, A. G. Gladyshev, V. N. Nevedomsky, S. A. Blokhin, A. A. Blokhin, and A. M. Nadtochiy, Mater. Phys. Mech. 29, 76 (2016).
5. K. J. Vahala and C. E. Zah, Appl. Phys. Lett. 52, 1945 (1988).