Prokhorov, Alexei V.; Gubin, Mikhail Yu.; Shesterikov, Alexander V.; Arsenin, Aleksey V.; Volkov, Valentyn S.; Evlyukhin, Andrey B.
(Washington, DC : ACS Publ., 2023)
New practical ways to reach the lasing effect in symmetrical metasurfaces have been developed and theoretically demonstrated. Our approach is based on excitation of the resonance of an octupole quasi-trapped mode (OQTM) ...