Low-threshold ultraviolet stimulated emissions from large-sized single crystalline ZnO transferable membranes

Wide-bandgap inorganic semiconductors based ultraviolet lasers bring versatile applications with significant advantages including low-power consumption, high-power output, robustness and long-term operation stability. However, flexible membrane lasers remain challenging predominantly due to the need...

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Bibliographic Details
Published in:Optics express 2018-11, Vol.26 (24), p.31965-31975
Main Authors: Zhang, Yanfang, Qin, Feifei, Zhu, Jie, Chen, Xuanhu, Li, Jing, Tang, Dongmin, Yang, Yi, Ren, Fang-Fang, Xu, Chunxiang, Gu, Shulin, Zhang, Rong, Zheng, Youdou, Ye, Jiandong
Format: Article
Language:English
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Summary:Wide-bandgap inorganic semiconductors based ultraviolet lasers bring versatile applications with significant advantages including low-power consumption, high-power output, robustness and long-term operation stability. However, flexible membrane lasers remain challenging predominantly due to the need for a lattice matched supporting substrate. Here, we develop a simple laser liftoff process to make freestanding single crystalline ZnO membranes that demonstrate low-threshold ultraviolet stimulated emissions together with large sized dimension (> 2 mm), ultralow-weight (m/A
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.26.031965