The recent progress in semiconductor processing technology has served as a major driving force behind the rapid development of nanophotonics research.Among the emerging applications,metasurfaces have attracted signifi...The recent progress in semiconductor processing technology has served as a major driving force behind the rapid development of nanophotonics research.Among the emerging applications,metasurfaces have attracted significant attention as saturable absorbers(SAs)for mode-locked laser systems that generate short pulses.In this study,we present the comprehensive design,fabrication,and experimental demonstration of a metasurface-based SA operating in the 1μm wavelength range,leveraging both the localized surface plasmon resonance(LSPR)phenomenon and the epsilon-near-zero(ENZ)effect of indium tin oxide.展开更多
基金National Research Foundation of Korea(RS-2020-NR049597,RS-2023-00256050)Korea Evaluation Institute of Industrial Technology(RS-2024-00432036)Korea Institute for Advancement of Technology(P0024164)。
文摘The recent progress in semiconductor processing technology has served as a major driving force behind the rapid development of nanophotonics research.Among the emerging applications,metasurfaces have attracted significant attention as saturable absorbers(SAs)for mode-locked laser systems that generate short pulses.In this study,we present the comprehensive design,fabrication,and experimental demonstration of a metasurface-based SA operating in the 1μm wavelength range,leveraging both the localized surface plasmon resonance(LSPR)phenomenon and the epsilon-near-zero(ENZ)effect of indium tin oxide.