Chinese Journal of Liquid Crystals and Displays, Volume. 40, Issue 3, 400(2025)
Equal power beam splitter based on liquid crystal polymer waveguides
This study proposes a liquid crystal polymer-based equal-power splitter. Through multi-angle polarized patterned photoalignment, precise control of liquid crystal molecular orientation in a two-dimensional plane was achieved, enabling the fabrication of a 1×2 equal-power splitter based on a Y-shaped splitter model. By optimizing the bending radius of the waveguide, two types of splitters with spacing of 80 μm and 160 μm were developed. Furthermore, these splitters were cascaded to construct a 1×4 equal-power splitter with uniform spacing. Experimental results demonstrate that parallel light transmission and equal-power distribution within the liquid crystal waveguides are achieved, providing an effective solution for enhancing the functionality of liquid crystal waveguide devices. This research offers a new approach for advancing the integration and miniaturization of liquid crystal polymer waveguides, with potential applications in optical computing and optical communication.
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Zhaoyi WANG, Hongbo CHENG, Honglong HU, Conglong YUAN, Zhigang ZHENG. Equal power beam splitter based on liquid crystal polymer waveguides[J]. Chinese Journal of Liquid Crystals and Displays, 2025, 40(3): 400
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Received: Nov. 26, 2024
Accepted: --
Published Online: Apr. 27, 2025
The Author Email: Conglong YUAN (conglongyuan@ecust.edu.cn)