Supplement issue 1 (December 2022), Volume 86 of the Bulletin of the Russian Academy of Sciences: Physics is published online by Springer. Thematic issue “Fundamental Problems of Opto- and Microelectronics” contains full-text original papers recommended by the Program Committee of the 20th Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics (APCOM-2022) dedicated to 100th…