Applied information theory, laser technique: light modulation, detection, mode selection, atmospheric laser communication.

Moscow Electrotechnical Institute of Communication (1951). Doctor of sciences (1975), prof. (1978), corr. member (1986) and acad. (1996) of NAS RA.

Founder and director (1991-2005) of Engineering Center of NAS RA .

Order and medals of World War II, NKR Order of Mkhitar Gosh (for longstanding struggle for independence of Artsakh).

Head of sub-faculties founded by him in YSU and YPI (1959-1969, 1976-1983), Head of quantum electronics department in Inst. for Phys.Res. (1963-1991), Chairman of Committee on education, science, language and culture of Supreme Soviet of RA (1990-1995).