Fig. 1. Schematic design of the proposed TL-MIMO.

Fig. 2. 2 × 2 FD-LMS-based MIMO structure combined with TL.

Fig. 3. Coherent three-mode multiplexed experimental setup.

Fig. 4. BER results of D_T versus (a) T_recycling and (b) L_data with TL-MIMO, while the data of D_T and D_S are collected at different time moments.

Fig. 5. BER versus μ-K combination in (a) D_S and (b) D_T with the data collected at different time moments.

Fig. 6. BER versus T_recycling × L_data, illustrating (a) without and (b) with the full TL-MIMO scheme.

Fig. 7. Statistical BER results for 30 datasets in D_T comparing different MIMO schemes with respect to (a) T_recycling and (b) L_data.

Fig. 8. In L-H case of launched power, BER results versus (a) T_recycling and (b) L_data; in H-L case of launched power, BER results versus (c) T_recycling and (d) L_data for 30 groups of data in D_T.

Fig. 9. BER versus launched power in D_T with different P_t.

Fig. 10. In L-H OSNR case, BER results versus (a) T_recycling and (b) L_data; in H-L OSNR case, BER results versus (c) T_recycling and (d) L_data for 30 groups of data in D_T.

Fig. 11. BER versus OSNR in D_T with different OSNR_t.