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首页> 外文期刊>Applied optics >Experimental investigation of all-optical nonreturn-to-zero differential phase-shift keying to return-to-zero DPSK format conversion based on nonlinear polarization rotation of semiconductor optical amplifier
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Experimental investigation of all-optical nonreturn-to-zero differential phase-shift keying to return-to-zero DPSK format conversion based on nonlinear polarization rotation of semiconductor optical amplifier

机译：基于半导体光放大器非线性偏振旋转的全光不归零差分相移键控归零DPSK格式转换的实验研究

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A novel all-optical nonreturn-to-zero differential phase-shift keying (NRZ-DPSK) to return-to-zero DPSK (RZ-DPSK) format conversion scheme is proposed and experimentally demonstrated. This conversion is based on nonlinear polarization rotation of a semiconductor optical amplifier. Experimental results show that a 10 Gb/s RZ-DPSK signal with an extinction ratio over 10 dB can be converted with a tunable duty cycle from 33% to 66%, and the ER of the converted signal decreases with the increase in the duty cycle. For all cases of different duty cycles, the converted signals experience a -0.4 to -1.2 dB power penalty at a bit error rate of 10(-9) compared with the original signal. In addition, the spectra show that this format conversion is a wavelength-preserved operation. (C) 2015 Optical Society of America
机译：提出并实验证明了一种新颖的全光不归零差分相移键控（NRZ-DPSK）到归零DPSK（RZ-DPSK）格式转换方案。该转换基于半导体光放大器的非线性偏振旋转。实验结果表明，消光比超过10 dB的10 Gb / s RZ-DPSK信号可以在33％至66％的可调占空比下进行转换，并且转换后的ER随占空比的增加而降低。对于所有不同占空比的情况，与原始信号相比，转换后的信号的误码率为10（-9）时，功率损耗为-0.4至-1.2 dB。此外，光谱表明，这种格式转换是一种保留波长的操作。 （C）2015年美国眼镜学会

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