TY - RPRT TI - Frequency combs in optically injected terahertz ring quantum cascade lasers AU - Khan, Md Istiak AU - Xiao, Zhenyang AU - Addamane, Sadhvikas Jayachandra AU - Burghoff, David PY - 2023 DO - 10.1063/5.0173912 UR - https://www.osti.gov/biblio/2311351 ID - 2311351 ER -