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Simplified optical millimeter-wave generation configuration by frequency quadrupling using two cascaded Mach-Zehnder modulators

机译:使用两个级联的Mach-Zehnder调制器通过四倍频来简化光学毫米波生成配置

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摘要

We propose what we believe to be a novel method to generate optical millimeter-wave signals with frequency quadrupling using two cascaded Mach-Zehnder modulators (MZMs). Both theoretical analysis and experimental demonstration are presented. By symmetrically biasing the MZMs, without any optical filters or electrical devices, a high-quality millimeter wave at 40 GHz with an optical harmonic distortion suppression ratio of more than 25 dB is obtained. Furthermore, it is also proved to be valid that the proposed scheme is insensitive to the MZM bias drift, which demonstrates a relatively higher stability.
机译:我们提出了我们认为是使用两个级联的Mach-Zehnder调制器(MZM)以四倍频生成光毫米波信号的新颖方法。进行了理论分析和实验论证。通过在没有任何滤光器或电气设备的情况下对MZM进行对称偏置,可以获得光谐波失真抑制率大于25 dB的40 GHz高质量毫米波。此外,还证明所提出的方案对MZM偏置漂移不敏感,这证明了相对较高的稳定性。

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