Abstract
The fan-in/fan-out (FI/FO) device for multi-core fiber (MCF) is a necessary component to achieve large bandwidth, high-speed data transmission and stable fiber optic communication. However, currently available FI/FO devices usually suffer from high insertion loss and high manufacturing cost, which greatly limit their practical applications. To solve these problems, we fabricated a FI/FO device for a 19-core 5-mode fiber using the binding method. It has been experimentally demonstrated to support 5 modes with an ultra-low average insertion loss of 0.07625 dB. Being well-structured, our proposed FI/FO device has better performance and application prospects, which can be expected to contribute to the innovation and development of information and communication technology.
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