Ultra-Bend-Resistant 4-Core Simplex Cable Used for Short-Reach Dense Spatial Division Multiplexing Optical Transmission
Zelin Zhang, Yu Qin, Jie Zhu, Caoyuan Wang, Xinli Jiang, Yichun Shen, Limin Xiao

TL;DR
This paper introduces a 4-core optical cable that resists bending and supports high-density optical transmission for short distances.
Contribution
The novel 4-core simplex cable design achieves ultra-bend resistance and low cross-talk for dense spatial division multiplexing.
Findings
The cable achieved a maximum added cross-talk of 1.17 dB/km with a 6 mm bending radius.
A macro-bending loss of 0.37 dB/10 turns was measured, showing excellent bending resistance.
Low bit error rate transmission was demonstrated over 1.2 km using a 100GBASE-LR4 transceiver.
Abstract
We optimized and fabricated an ultra-bend-resistant 4-core simplex cable (SXC) employing 4-core multicore fiber (MCF) suitable for short-reach dense spatial division multiplexing (DSDM) optical transmission in the O-band. The characteristics of transmission loss, macro-bending and cross-talk (XT) between adjacent cores after cabling were firstly clarified. By introducing the trapezoid index and optimizing the cabling process, the maximum values of added XT of 1.17 dB/km due to 10 loops with a bending radius of 6 mm imposed over the 4-core SXC and a macro-bending loss of 0.37 dB/10 turns were, respectively, achieved.P Then, the optical transmission with low bit error rate (BER) was presented using a 100GBASE-LR4 transceiver over the 1.2 km long 4-core SXC. The excellent bending resistance of the 4-core SXC may pave the way for a reduction in space pressure and increase in access density…
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Taxonomy
TopicsOptical Network Technologies · Semiconductor Lasers and Optical Devices · Advanced Optical Network Technologies
