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首页> 外文期刊>Microwave and optical technology letters >FIBER LENGTH COMPENSATED TRANSMISSION OF 2998.01 MHZ RF SIGNAL WITH FEMTOSECOND PRECISION
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FIBER LENGTH COMPENSATED TRANSMISSION OF 2998.01 MHZ RF SIGNAL WITH FEMTOSECOND PRECISION

机译:具有飞秒精度的2998.01 MHZ RF信号的光纤长度补偿传输

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摘要

An electro-optical RF-clock-distribution system for 2998.01 MHz is presented. An added timing jitter of 5 fsRMS and a clock drift of 9.5 fsRMS over 24 h have been measured. The RF signal is distributed through a transmitter-receiver topology as intensity modulation on a CW laser at 1550 nm. Temperature-induced fiber group-delay variations are compensated by adjusting the wavelength of the laser and making use of the fiber chromatic dispersion. The system uses standard, commercially-available telecommunication optical components.
机译:提出了一种用于2998.01 MHz的电光RF时钟分配系统。在24小时内,增加了5 fsRMS的定时抖动和9.5 fsRMS的时钟漂移。 RF信号通过发射器-接收器拓扑作为强度调制在1550 nm的CW激光器上分配。通过调节激光器的波长并利用光纤色散来补偿温度引起的光纤组延迟变化。该系统使用标准的市售电信光学组件。

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