Advances in Condensed Matter Physics / 2020 / Article / Fig 4

Research Article

Generation of (3, 1) Vector Signal Based on Probabilistic Shaping Technology without Precoding

Figure 4

PS (3, 1) vector signal system diagram: (a) spectrogram of the PS (3, 1) photonic vector signal with  = 0.4 at 12 GHz after MZM; (b) spectrogram of the PS (3, 1) vector signal with  = 0.4 after PD.

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