Siwei Qu, Yanfu Yang, Qian Xiang, Qun Zhang. Low-Complexity Blind Phase Search Algorithm for Master-Slave Carrier Under Frequency Offset Conditions[J]. Acta Optica Sinica, 2021, 41(17): 1706003
- Acta Optica Sinica
- Vol. 41, Issue 17, 1706003 (2021)
Fig. 1. Two MS-CCPR schemes. (a) Feedback MS-CCPR scheme; (b) feedforward MS-CCPR scheme
Fig. 2. Structure diagrams of MS-CCPR and slave phase tracker. (a) Structure diagram of MS-CCPR; (b) structure diagram of slave phase tracker
Fig. 3. Typical WDM transmission system based on optical frequency comb
Fig. 4. Simulated spectrum of five-line frequency comb with equal amplitude
Fig. 5. Phase noise curves and phase difference curve of master-slave channel under 320 km transmission condition. (a) Phase noise curves of master-slave channel; (b) phase difference curve of two channels
Fig. 6. Master-slave channel phase curves and slave phase tracking curves under the condition of residual frequency offset. (a) Master-slave channel phase curves; (b) slave phase tracking curves
Fig. 7. Computational complexity curve
Fig. 8. Performance comparison between independent carrier recovery and master-slave carrier recovery during transmission from 0 to 400 km
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Table 1. Computational complexity of slave channels without dispersion compensation algorithm to compensate for dispersion effect
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Table 2. Calculation complexity of slave channels with the dispersion compensation algorithm to compensate for the dispersion effect
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