Flexible polymer optical waveguides demonstrate outstanding advantages over those on rigid substrates, including flexibility, bendability, lightweight, versatility, and ease of integration. However, flexible polymer optical waveguides face significant challenges in achieving efficient connection and integration with optical fibers. In this study, we propose a simple and reliable method for fabricating flexible polymer optical waveguides on polyimide (PI) using an ultraviolet (UV) lithography process. Additionally, MT connectors are fabricated at each end of the flexible waveguide with passive alignment features. This integration facilitates pluggable and efficient connections between waveguides and MT fiber arrays, significantly improving the ease of assembly and the reliability of optical connections. This integrated connector not only enhances the flexibility and reliability of applications in the field of optical interconnects but also lays the foundation for the development of future high-performance optoelectronic systems.
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