Chao Huang, Yunxia Li, Wen Meng, Tianxiong Wu. Effect of Mode Coupling on Quantum Bit Error Rate in Mode Division Multiplexing Simultaneous Transmission System[J]. Acta Optica Sinica, 2020, 40(4): 0406002
- Acta Optica Sinica
- Vol. 40, Issue 4, 0406002 (2020)
Fig. 1. Piecewise link model of the few-mode fiber
Fig. 2. Splicing errors of optical fiber end facets
Fig. 3. Curves of normalized axial alignment errors versus mode power losses
Fig. 4. Coupling strength of quantum signals loaded on different modes. (a) Quantum signals are loaded on LP01 mode; (b) quantum signals are loaded on LP11a mode; (c) quantum signals are loaded on LP11b mode
Fig. 5. System experimental setup diagram
Fig. 6. QBER as a function of mismatch distance and torsion angle of optical fiber core
Fig. 7. Relationship between fiber length and QBER
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