Guichuan Xing, Jingshan Luo, Hongxing Li, Bo Wu, Xinfeng Liu, Cheng Hon Alfred Huan, Hong Jin Fan and Tze Chien Sum Ultrafast Exciton Dynamics and Two-Photon Pumped Lasing from ZnSe Nanowires Advanced Optical Materials 1
A systematic investigation into the ultrafast excitonic properties of zinc blend ZnSe nanowires with femtosecond infrared laser pulse excitation is presented. A complete picture of various ultrafast carrier dynamical processes is established through a comprehensive pump fluence- and temperature-dependent two-photon excitation study. From the knowledge gained, ultra-stable room-temperature two-photon pumped lasing is demonstrated with single ZnSe nanowires.
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