Fiber Electronics: Integrating Logic, Photodetection, and Wireless Communication on a Single Optical Fiber

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ID: 326678
2026
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Abstract
Abstract Optical fibers underpin the global information infrastructure, yet their role has remained largely passive—restricted to guiding light rather than processing it. Signal modulation, detection, and logic operations are still performed by external chips, imposing fundamental limits due to optical-electrical conversion losses, coupling complexity, and interconnection power overheads. Here, we propose an integrated fiber-electronics architecture that directly integrates active optoelectronic functionalities onto optical fibers. We demonstrate a multifunctional electronic-photonic system realized on the side-polished surface of a D-shaped optical fiber, incorporating carbon-based logic circuits, photodetectors, optically controlled inverters, and wireless-interface modules. This monolithic platform enables on-fiber logic operation, sensing, and interaction with the surrounding environment. The integrated devices exhibit outstanding performance: a digital inverter with a gain of 32, a five-stage ring oscillator operating at kilohertz frequencies, and a photodetector with a detectivity of 3.82 × 1016 Jones. Furthermore, optically controlled logic responses, temperature sensing, and sub-meter-scale wireless power and radio-frequency signal transmission are achieved. These results establish a proof-of-concept for active electronic and optoelectronic integration within optical fibers, representing a significant step beyond passive transmission media toward intelligent, distributed fiber networks capable of transmission, sensing, computation, and autonomous energy operation.
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Authors Sun Yuan-qi, Bo Li, Xue Zhou, Sen Wang, Yang Liu, Xi Zhu, Tao Qin, Yu-Han Qu, Chang-Ze Li, Tong-Jian Liu, Xiao-Yue Wang, Pengpeng Li, Yun Sun, Xin Yan, Xiaoming Li, Song Qiu, Chang Liu, Zhong-Shuai Wu, Yong Zhao, Tong-Lei Cheng, Dongming Sun
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Journal national science review
Year 2026
DOI
10.1093/nsr/nwag550
URL
https://academic.oup.com/nsr/advance-article-pdf/doi/10.1093/nsr/nwag550/70819686/nwag550.pdf
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