Generation and Transmission of 21.4-Gbaud PDM 64-QAM Using a Novel High-Power DAC Driving a Single I/Q Modulator
Generation and Transmission of 21.4-Gbaud PDM 64-QAM Using a Novel High-Power DAC Driving a Single I/Q Modulator
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使用驱动单个 I/Q 调制器的新型高功率 DAC 生成和传输 21.4 Gbaud PDM 64-QAM
DOI：
10.1109/jlt.2011.2175200
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发表时间：
2012
影响因子：
4.7
通讯作者：
D. Peckham
中科院分区：
文献类型：
--
作者：
A. Gnauck;Peter J. Winzer;A. Konczykowska;F. Jorge;J. Dupuy;M. Riet;Gabriel Charlet;B. Zhu;D. Peckham
我们使用来自新型大功率数模转换器（DAC）的8级波形驱动的单相位/正交（I/Q）光调制器产生单载波21.4 gbaud极化分复用（PDM） 64位正交幅调（QAM）信号（256.8 gb /s线速率）。我们测量到所需的光信噪比为29.5 dB （0.1 nm参考带宽；10-3误码率），比理论极限低4.6 dB。采用超大面积光纤，实现400公里单通道传输。该DAC还用于在21.4 Gbaud的正交移相键控和16-QAM信号中获得出色的结果。
We generate a single-carrier 21.4-Gbaud polarization-division-multiplexed (PDM) 64-ary quadrature-amplitude-modulated (QAM) signal (256.8-Gb/s line rate) using a single in-phase/quadrature (I/Q) optical modulator driven by 8-level electrical waveforms from a novel high-power digital-to-analog converter (DAC). We measure a required optical signal-to-noise ratio of 29.5 dB (0.1-nm reference bandwidth; 10-3 bit-error rate), 4.6-dB off the theoretical limit. Using ultra-large-area fiber, we achieve 400-km single-channel transmission. The DAC was also used to obtain excellent results with quadrature-phase-shift-keyed and 16-QAM signals at 21.4 Gbaud.