基于频率梳的超低相位噪声微波的产生与表征

D. Nicolodi, R. Bouchand, M. Lours, Xiaopeng Xie, Y. Le Coq, M. Giunta, M. Lezius, W. Haensel, R. Holzwarth, P. Tremblin, G. Santarelli, S. Datta, A. Joshi, C. Alexandre
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引用次数: 1

摘要

利用先进的光探测技术和自制的相位噪声测量仪器,在12GHz载波上产生了绝对相位噪声低于-170dBc/Hz、低于-100dBc/Hz的微波源,在10kHz及以上频率下,绝对相位噪声低于-100dBc/Hz。这进一步推动了迄今为止报道的最佳结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ultra-low phase noise frequency-comb-based microwave generation and characterization
We report on the generation of ultra-low phase noise microwave signals at 12GHz by photodetecting the pulse train of an Erbium-doped fiber-based optical frequency comb phase locked to a ultra-narrow linewidth ultra-stable laser at With advanced photodetection techniques and homemade phase noise measurement apparatus, our experiment demonstrates generation of a microwave source with absolute phase noise below -170dBc/Hz at 10kHz and above, and below -100dBc/Hz at 1Hz from a 12GHz carrier, which pushes even further the best results reported so far.
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