All-optical Clock Recovery from NRZ signal through preprocessing by Single Narrow-band Filter

机译：通过单窄带滤波器通过预处理从NRZ信号恢复所有光学时钟

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摘要

We demonstrate a simple configuration for clock recovery from nonreturn-to-zero (NRZ) signal, which is preprocessed by a narrow-band filter Clock component is enhanced evidently after the filter. Compared with previous preprocessing schemes, the single filter is simple and suitable for different bit-rates. The output performances related to the bandwidth and the detuning of the filter are analyzed. By cascading a clock recovery unit with semiconductor optical amplifier based fiber ring laser, clock signal can be extracted from the preprocessed signal with extinction ratio over 10 dB and root mean square timing jitter of 900 fs, at 10 to 40 Gb/s By simply using a filter with larger bandwidth, much higher bit-rate operation can be achieved easily.

机译：我们展示了从非静音到零（NRZ）信号的时钟恢复的简单配置，该信号通过窄带滤波器时钟分量预处理，在滤波器之后明显增强。与先前的预处理方案相比，单滤波器简单，适用于不同的比特率。分析了与带宽相关的输出性能和滤波器的静脉静脉。通过级联具有基于半导体光学放大器的光纤环形激光的时钟恢复单元，可以从预处理的信号中提取时钟信号，其消光比率超过10dB和900 fs的根均方时序抖动，通过简单地使用10至40 gb / s。具有较大带宽的过滤器，可以轻松实现更高的比特率操作。

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来源
《Conference on Optical Transmission, Switching, and Subsystems》|2007年||共8页
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作者
Yu Yu; Xinliang Zhang; Jing Hu; Dexiu Huang;
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正文语种
中图分类光电子技术、激光技术;
关键词
clock component enhancement; clock recovery; non-return-to-zero (NRZ); different bit-rates;

机译：时钟元件增强;时钟恢复;非返回到零（NRZ）;不同的比特率;

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专利

1. Preprocessing-Free All-Optical Clock Recovery from NRZ and NRZ-DPSK Signals Using an FP-SOA Based Active Filter [J] . WANG Fei, ZHANG Xin-Liang, YU Yu, 中国物理快报：英文版 . 2011,第006期
2. All-Optical Clock Recovery From NRZ Signals at Different Bit Rates via Preprocessing by an Optical Filter [J] . Yu Y., Zhang X., Zhou E., IEEE Photonics Technology Letters . 2007,第24期

机译：通过光学滤波器通过预处理从不同比特率的NRZ信号中全光时钟恢复
3. All-optical clock recovery of 20 Gbit/s NRZ-DPSK signals using polarization-maintaining fiber loop mirror filter and semiconductor optical amplifier fiber ring laser [J] . Fei Wang, Yu Yu, Xi Huang, Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter . 2009,第12期

机译：使用保偏光纤环镜滤波器和半导体光放大器光纤环形激光器对20 Gbit / s NRZ-DPSK信号进行全光时钟恢复
4. All-optical Clock Recovery from NRZ signal through preprocessing by Single Narrow-band Filter [C] . Yu Yu, Xinliang Zhang, Jing Hu, Conference on Optical Transmission, Switching, and Subsystems; 20071102-05; Wuhan(CN) . 2007

机译：通过单个窄带滤波器通过预处理从NRZ信号中全光时钟恢复
5. All-optical clock recovery, photonic balancing, and saturated asymmetric filtering for fiber optic communication systems [D] . Parsons, Earl Ryan 2010

机译：光纤通信系统的全光时钟恢复，光子平衡和饱和不对称滤波
6. All-optical scanhead for ultrasound and photoacoustic imaging—Imaging mode switching by dichroic filtering [O] . Bao-Yu Hsieh, Sung-Liang Chen, Tao Ling, 2018

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7. All-optical clock recovery of NRZ-DPSK signals using optical resonator-type filters [O] . Peucheret Christophe, Seoane Jorge, Ji Hua 2009

机译：使用光学谐振器型滤波器的NRZ-DpsK信号的全光时钟恢复
8. Preprocessing of Seismic Signals by Haar Decomposition and Adaptive Filtering for Pattern Recognition. [R] . brolley, j. e. 1979

机译：基于Haar分解和自适应滤波的地震信号预处理模式识别。

All-optical Clock Recovery from NRZ signal through preprocessing by Single Narrow-band Filter

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