Compact 2.4 GHz Microwave Generation System Based on an Ultralow Noise Femtosecond Laser

Ya Wang,Ruoao Yang, Zhendong Chen,Duo Pan,Bin Luo,Zhigang Zhang,Jingbiao Chen

2023 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS)（2023）

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摘要

SummaryCommunication systems with high timing precision require microwave signals with ultra-low phase noise. In this work, we establish a compact and convenient 2.4 GHz microwave generation system based on the transfer oscillator technique for optical frequency division via a low-SWaP 1-GHz solid-state fiber laser and a 657 nm narrow linewidth laser. High SNR (> 30 dB) of carrier envelop offset frequency and beat note between two lasers are obtained via the octave spectrum without amplification.

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关键词

Photonically generated microwave,ultra-low noise,high repetition rate,low-SWaP,fiber laser,non-amplification

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