Influence of Transceiver Noise on Nonlinearity-Compensated Optical Transmission Systems

Fig. 1. Transmission model used for investigating the impact of transceiver noise on DBP systems, where the transceiver noise is divided equally in transmitter and receiver

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Fig. 2. Received SNR versus optical signal power per channel after 20×90 km transmission for (a) PSCF link; (b) SSMF link; (c) NZDSF link

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Fig. 3. Constellation maps after EDC and FF-DBP for Nyquist 9-channl WDM 256 Gbit/s PM-16QAM over SSMF link. (a) With EDC only; (b) with FF-DBP and no TRX noise included; (c) with FF-DBP and TRX noise, transceiver SNR of 20 dB

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Fig. 4. Optimal SNR of the system under the influence of different intensities of transceiver noise

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Table 1. Parameters of three types of fiber
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Table 1. Parameters of three types of fiber
Fiber type Loss (dB/km) Dispersion (ps⋅nm^-1⋅km^-1,@1550nm) Nonlinear coefficient (km²/W)
PSCF 0.18 20.1 0.9
SSMF 0.22 16.7 1.31
NZDSF 0.22 4.5 1.5

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Xuanli Wang. Influence of Transceiver Noise on Nonlinearity-Compensated Optical Transmission Systems[J]. Laser & Optoelectronics Progress, 2021, 58(23): 2306010

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