Optically-driven organic nano-step actuator for reconfigurable photonic circuits

Ji-Zhe Zhang, Xin-Biao Xu, Yanjun Gong, Zhu-Bo Wang, Xiao-Zhuo Qi, Xiao-Jing Liu, Yuan-Hao Yang, Zheng-Hui Tian, Jia-Qi Wang, Yan-Lei Zhang, Ming Li, Yongxian Guo, Yingde Yan, Chun-Hua Dong, Xi-Feng Ren, Yifan Zhang, Chuang Zhang, Guang-Can Guo, Yanke Che () and Chang-Ling Zou ()
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Ji-Zhe Zhang: University of Science and Technology of China
Xin-Biao Xu: University of Science and Technology of China
Yanjun Gong: Chinese Academy of Sciences
Zhu-Bo Wang: University of Science and Technology of China
Xiao-Zhuo Qi: University of Science and Technology of China
Xiao-Jing Liu: University of Science and Technology of China
Yuan-Hao Yang: University of Science and Technology of China
Zheng-Hui Tian: University of Science and Technology of China
Jia-Qi Wang: University of Science and Technology of China
Yan-Lei Zhang: University of Science and Technology of China
Ming Li: University of Science and Technology of China
Yongxian Guo: Chinese Academy of Sciences
Yingde Yan: Chinese Academy of Sciences
Chun-Hua Dong: University of Science and Technology of China
Xi-Feng Ren: University of Science and Technology of China
Yifan Zhang: Chinese Academy of Sciences
Chuang Zhang: Chinese Academy of Sciences
Guang-Can Guo: University of Science and Technology of China
Yanke Che: Chinese Academy of Sciences
Chang-Ling Zou: University of Science and Technology of China

Nature Communications, 2025, vol. 16, issue 1, 1-8

Abstract: Abstract The assembling and reconfiguration of the integrated devices are of great importance to extend the capability of photonic chips based on top-down fabrication approaches. Here, we demonstrate a fully-programmable organic micro-actuator for precise manipulation of on-chip microstructures. Controlled by a low-power laser, the micro-actuator achieves a 30 nm motion step size, and shows the capability to traverse various chip substrates, overcome obstacles, and push microspheres to target locations. The micro-actuator is applied to fine-tune the microcavity and shift the resonance by three linewidths without compromising its quality factor. This optically-driven micro-actuator offers a unique approach for post-fabrication assembly and reconfiguration of photonic circuits, paving the way for adaptive, multifunctional photonic systems.

Date: 2025
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DOI: 10.1038/s41467-025-63521-z

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