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Frequency comb-based multiple-access ultrastable frequency dissemination with 7 x 10(-17) instability

机译:基于频率梳的多址超稳定频率传播,不稳定度为7 x 10(-17)

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摘要

In this letter, we demonstrate frequency-comb-based multiple-access ultrastable frequency dissemination over a 10-km single-mode fiber link. First, we synchronize optical pulse trains from an Er-fiber frequency comb to the remote site by using a simple and robust phase-conjugate stabilization method. The fractional frequency-transfer instability at the remote site is 2.6 x 10(-14) and 4.9 x 10(-17) for averaging times of 1 and 10,000 s, respectively. Then, we reproduce the harmonic of the repetition rate from the disseminated optical pulse trains at an arbitrary point along the fiber link to test comb-based multiple-access performance, and demonstrate frequency instability of 4 x 10(-14) and 7 x 10(-17) at 1 and 10,000 s averaging time, respectively. The proposed comb-based multiple-access frequency dissemination can easily achieve highly stable wideband microwave extraction along the whole link. (C) 2014 Optical Society of America
机译:在这封信中,我们演示了在10公里的单模光纤链路上基于频率梳的多路访问超稳定频率传播。首先,我们使用一种简单而强大的相位共轭稳定方法,使从Er光纤频率梳到远端的光脉冲序列同步。远程站点的平均频率传输不稳定性分数分别为2.6 x 10(-14)和4.9 x 10(-17),平均时间分别为1和10,000 s。然后,我们从沿着光纤链路的任意点处的已传播光脉冲序列重现重复率的谐波,以测试基于梳齿的多址性能,并证明频率不稳定性为4 x 10(-14)和7 x 10 (-17)分别在1和10,000秒的平均时间。所提出的基于梳状的多址频率分布可以轻松地在整个链路上实现高度稳定的宽带微波提取。 (C)2014年美国眼镜学会

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