Simultaneous Polarization-Insensitive Wavelength Conversion of 80-Gb/s RZ-DQPSK Signal and 40-Gb/s RZ-OOK Signal in a Ti:PPLN Waveguide
Simultaneous Polarization-Insensitive Wavelength Conversion of 80-Gb/s RZ-DQPSK Signal and 40-Gb/s RZ-OOK Signal in a Ti:PPLN Waveguide
复制标题
Ti:PPLN 波导中 80 Gb/s RZ-DQPSK 信号和 40 Gb/s RZ-OOK 信号的同步偏振不敏感波长转换
DOI：
10.1109/jlt.2011.2107501
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发表时间：
2011
影响因子：
4.7
通讯作者：
Colja Schubert
中科院分区：
文献类型：
--
作者：
Hao Hu;R. Nouroozi;Reinhold Ludwig;B. Hüttl;C. Schmidt;H. Suche;W. Sohler;Colja Schubert
采用Ti：PPLN波导实现了80 Gb/s归零差分四相相移键控（RZ-DQPSK）数据信号和40 Gb/s归零开关键控（RZ-OOK）数据信号的偏振分集全光波长转换。波长转换对于偏振、数据速率、调制格式和调制水平是完全透明的。信号的转换效率为~ 21 dB，其包括整个Ti：PPLN子系统中的9.2-dB无源损耗。对于偏振加扰的输入数据信号，实现了两种波长转换信号的无误差性能，而没有由偏振加扰引起的额外损失。
Simultaneous all-optical wavelength conversion of an 80-Gb/s return-to-zero differential quadrature phase shift keying (RZ-DQPSK) data signal and a 40-Gb/s return-to-zero ON--OFF keying (RZ-OOK) data signal using a Ti:PPLN waveguide in a polarization-diversity loop configuration are demonstrated. The wavelength conversion is fully transparent to polarization, data rate, modulation format, and modulation level. The conversion efficiency for the signals was -21 dB, which includes 9.2-dB passive losses in the whole Ti:PPLN subsystem. Error-free performance for both wavelength-converted signals was achieved for polarization-scrambled input data signals without additional penalty caused by the polarization scrambling.