基于低语通道模式的光电振荡器

2010 IEEE International Frequency Control Symposium Pub Date : 2010-06-01 DOI:10.1109/FREQ.2010.5556268

A. Savchenkov, V. Ilchenko, J. Byrd, W. Liang, D. Eliyahu, A. Matsko, D. Seidel, L. Maleki

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引用次数: 40

摘要

我们介绍了基于高q低语通道模式(WGM)谐振器的超紧凑光电振荡器的最新研究成果。这些振荡器工作在X、Ku和ka波段，能够产生频谱纯净的RF信号，其特征是在100 kHz时相位噪声小于- 120 dBc/Hz。相位噪声的底限(<−140 dBc/Hz)受光电二极管接收信号的散粒噪声的限制。可调谐振荡器和固定频率振荡器都进行了演示。

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Whispering-gallery mode based opto-electronic oscillators

We present our recent results related to the development of ultra-compact opto-electronic oscillators based on high-Q whispering gallery mode (WGM) resonators. These oscillators operate in X-, Ku-, and Ka-bands and are able to generate spectrally pure RF signals characterized with less than −120 dBc/Hz phase noise at 100 kHz. The floor of the phase noise (< −140 dBc/Hz) is limited by the shot noise of the signal received at the photodiode. Both tunable and fixed frequency oscillators are demonstrated.

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2010 IEEE International Frequency Control Symposium

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