影响光纤参量振荡器全光时钟提取性能的因素分析

Journal of Applied Optics(2013)

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Abstract
实验考察了输入光信号调制速率、泵浦功率、偏振态以及光纤参量振荡器(FOPO)环形腔内光纤长度、光偏振旋转等因素对FOPO提取的时钟信号相位抖动和幅度噪声的影响。实验表明,在光时钟信号相位抖动均方值(RMS)为0.025UI的容限内,基于FOPO的全光时钟提取方案对这些变化因素的承受能力分别为:8.2kHz的输入信号调制速率变化、5dB的泵浦光功率变化、20°泵浦信号方位角变化、2mm的腔内光纤长度变化以及14°的腔内信号方位角变化。这为进一步提高基于FOPO全光时钟提取性能提供了重要实验依据。
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Key words
fiber-optical parametric oscillator,optical communications,all-optical clock recovery,highly nonlinear fiber
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