TY JOUR TI Nanophoton Generator of Picosecond Pulses KW nanophotonics KW generation KW heterojunction KW relaxation instability KW picosecond pulses KW terahertz frequency range KW indium antimonide KW bismuth JO Infocommunications and Radio Technologies AU Karushkin, N.F. AU Obukhov, I.A. PY 2022 IS 5 PB Federal State Educational Institution of Higher Education Sevastopol State University