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M-PSK Versatile Modulation using a Single-electrode Straight-line Phase Modulator and Digital Signal Processing for ISI-suppression
Coherent communications Fiber optics communications
2015/6/5
BPSK, QPSK, and 8-PSK modulation/demodulation was experimentally demonstrated using only a single-electrode straight-line phase modulator for the first time. ISI caused by the modulation was compensat...
8× ×114Gbit/s, 25GHz-spaced, PolMux-RZ-8QAM straight-line transmission over 800km of SSMF
DWDM signals 25GHz channel spacing SSMF without Raman amplification optical dispersion compensation.
2015/7/17
By using PolMux-RZ-8QAM modulation format and digital coherent detection, we have demonstrated 8×114Gbit/s DWDM signals in 25GHz channel spacing to transmit over 800km of SSMF without Raman amplificat...