Enhanced broadband non-degenerate two-photon absorption in Ga-doped ZnO for ultrafast all-optical switching

Yunfei Lü; Zhanpeng Chen; Fangyuan Shi; Zhongguo Li; Zhengguo Xiao; Xingzhi Wu; Zhongquan Nie; Quanying Wu; Yinglin Song; Yu Fang

doi:10.3788/COL202523.111901

Chinese Optics Letters, Volume. 23, Issue 11, 111901(2025)

Enhanced broadband non-degenerate two-photon absorption in Ga-doped ZnO for ultrafast all-optical switching

Yunfei Lü¹, Zhanpeng Chen¹, Fangyuan Shi², Zhongguo Li³, Zhengguo Xiao^4、*, Xingzhi Wu¹, Zhongquan Nie², Quanying Wu¹, Yinglin Song^5、**, and Yu Fang^1、***

Author Affiliations

¹Key Laboratory of Intelligent Optoelectronic Devices and Chips of Jiangsu Higher Education Institutions, School of Physical Science and Technology, Suzhou University of Science and Technology, Suzhou 215009, China

²College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China

³School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu 215500, China

⁴Department of Physics and Electronic Engineering, Tongren University, Tongren 554300, China

⁵School of Physical Science and Technology, Soochow University, Suzhou 215006, China

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Yunfei Lü, Zhanpeng Chen, Fangyuan Shi, Zhongguo Li, Zhengguo Xiao, Xingzhi Wu, Zhongquan Nie, Quanying Wu, Yinglin Song, Yu Fang, "Enhanced broadband non-degenerate two-photon absorption in Ga-doped ZnO for ultrafast all-optical switching," Chin. Opt. Lett. 23, 111901 (2025)

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