Abstract
Perovskite semiconductor materials have attracted significant attention in the fields of photovoltaics and luminescence due to their excellent photoelectric properties, such as high carrier mobility, high absorption coefficient, and high fluorescence quantum yield. In particular, low-dimensional metal-halide perovskite microcrystalline materials have been reported to exhibit low-dimensional lasing phenomena and laser devices due to their high gain and widely tunable bandgap. In this Letter, one-dimensional (1-D) ZnO microwires with their ultraviolet lasing emissions are utilized as an excitation source to pump CsPbBr3 microwire on hybrid ZnO–CsPbBr3 microscale structures. At higher excitation, the amplified spontaneous emission (ASE) behaviors from CsPbBr3 microwire are realized with ultralow threshold by indirect pumping from the ZnO lasing emission for the first time, to the best of our knowledge. In comparison, the ASE behaviors from the CsPbBr3 microwire directly pumped by Nd:YAG Q-switched laser and continuous wave laser are also performed at room temperature. There are also no multimode lasing behaviors observed. The paper provides a new method to achieve a low threshold on-chip microlaser by a high-quality perovskite micro–nano structure.
© 2024 Optica Publishing Group
Full Article | PDF ArticleMore Like This
Wenting Liu, Tieshan Yang, Kunjian Cao, Jing Han, Mengmeng Jiao, Shufang Zhang, Chuanlu Yang, and Qinfeng Xu
Opt. Lett. 49(5) 1141-1144 (2024)
Meng Ding, Dongxu Zhao, Bin Yao, Shulin E, Zhen Guo, Ligong Zhang, and Dezhen Shen
Opt. Express 20(13) 13657-13662 (2012)
Yang Liu, Ju Wang, Lin Zhang, Wei Liu, Cuncun Wu, Congyue Liu, Zhaoxin Wu, Lixin Xiao, Zhijian Chen, and Shufeng Wang
Opt. Express 27(20) 29124-29132 (2019)