Grigory I. Kropotov, Affiliation: TYDEX, LLC, Saint Petersburg 194292, Russia Educational background: 1. MS in Physics and Engineering, Department of Semiconductor physics, Radio-Physical Faculty, Leningrad Polytechnic Institute (later renamed as Peter the Great St. Petersburg Polytechnic University), graduated with honors (1977). 2. PhD (Candidate of Science, the Russian scientific degree) in Semiconductor Physics, Department of Semiconductor Physics, Radio-Physical Faculty, Leningrad Polytechnic Institute. Thesis Submitted: Submillimeter photoelectric magnetospectroscopy of impurities and radiation defects in n-Ge (1982). Working experience: 1977–1996, Engineer, Junior Research Scientist, Research Scientist, Senior Research Scientist, Ioffe Physical Technical Institute, St.Petersburg, Russia; 1994–2002, Commercial Director, TYDEX, LLC, St.Petersburg, Russia; 2002–Present, General Manager (CEO), TYDEX, LLC, St.Petersburg, Russia. Research interests: Photonics; Optoelectronics; Optics and Photonics; Applied Optics; Applied Physics; Optical Materials; Applied / Experimental Physics; Semiconductor; Terahertz; Optics. 52 scientific publications in English, 379 citations, h-Index: 10 (in accordance with Scopus database). Total number of scientific publications: 163. ORCID ID: 0000-0001-9041-6701 Detailed Author contributions: Conceptualization, Project administration, Supervision, Writing—review and editing, Funding acquisition.