Zhou Ju, Chen Wang, Kaihui Wang, Junjie Ding, Bowen Zhu, Lei Shen, Lei Zhang, Ruichun Wang, Changkun Yan, Bo Liu, Jianjun Yu. 1000-km-Long Few-Mode Fiber Wavelength Division Multiplexing Transmission System with Net Rate of 32.768 Tbit/s[J]. Acta Optica Sinica, 2023, 43(10): 1006004
- Acta Optica Sinica
- Vol. 43, Issue 10, 1006004 (2023)
Fig. 1. Refractive index distribution of the FMF
Fig. 2. Experimental setup and DSP block diagram
Fig. 3. Flowchart of MIMO-TDLMS algorithm
Fig. 4. Flowchart of MIMO-T/2-FDLMS algorithm
Fig. 5. Optical spectrum of the received signal under BTB circumstance
Fig. 6. BER of LP11a and LP11b under different OSNR
Fig. 7. BER performance of channel C25-C37 after 1000 km FMF transmission
Fig. 8. BER performance at different transmission distances
Fig. 9. Constellation diagrams recovered from C30 channel after 1000-km FMF transmission. (a) LP11a.X; (b) LP11a.Y; (c) LP11b.X; (d) LP11b.Y
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Table 1. Parameters of the FMF used in the experiment
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