Zhili Zhou, Yiju Zhan, Qingling Cai, Xiukai Ruan, Qibo Cai. Algorithm for Low-Computational-Complexity Carrier-Phase Estimation in Optical Communication Systems[J]. Acta Optica Sinica, 2018, 38(12): 1206003
- Acta Optica Sinica
- Vol. 38, Issue 12, 1206003 (2018)
Fig. 1. Schematic of BPS algorithm
Fig. 2. Relationship between normalized sk,b and phase compensation angle
Fig. 3. Optimum phase evaluation value φb of symbols obtained by PM-16QAM algorithm(B=32)
Fig. 4. Schematic of P-BPS algorithm
Fig. 5. Distribution of test phase range
Fig. 6. Relationship between BER and M (PM-64QAM, OSNR: 25 dB, linewidth: 1 MHz)
Fig. 7. Simulation system for polarization multiplexing coherent optical communication
Fig. 8. Relationship between BER and OSNR (PM-16QAM, linewidth: 1 MHz)
Fig. 9. Relationship between BER and OSNR (PM-64QAM, linewidth: 1 MHz)
Fig. 10. Relationship between BER and linewidth (PM-16QAM, OSNR: 18 dB)
Fig. 11. Relationship between BER and linewidth (PM-64QAM, OSNR: 25 dB)
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