2.49 GHz低相位噪声光电振荡器，采用1.55μm VCSEL，用于航空电子和航天应用

2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference Pub Date : 2008-11-05 DOI:10.1117/12.808238

A. Hayat, M. Varón, A. Bacou, A. Rissons, J. Mollier

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引用次数: 13

摘要

我们提出了一种基于1.55毫微米单模垂直腔面发射激光器(VCSEL)的低相位噪声环光电(OEO)振荡器，工作频率为2.49 GHz，适用于航空航天、航空电子和嵌入式系统应用。用不同长度的光纤进行了实验，得到了最佳的结果。在距离载波10khz的偏移处，获得了-107 dBc/Hz的相位噪声测量值。测量了该振荡器信号的3db线宽为16hz。分析了横向模间距或自由光谱范围(FSR)随光纤长度的变化规律。并对基于DFB激光器和基于vcsel的多模光电振荡器进行了参数比较。

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2.49 GHz low phase-noise optoelectronic oscillator using 1.55μm VCSEL for avionics and aerospace applications

We present here a 1.55 mum single mode vertical-cavity surface-emitting laser (VCSEL) based low phase-noise ring optoelectronic (OEO) oscillator operating at 2.49 GHz for aerospace, avionics and embedded systems applications. Experiments using optical fibers of different lengths have been carried out to obtain optimal results. A phase-noise measurement of -107 dBc/Hz at an offset of 10 kHz from the carrier is obtained. A 3-dB linewidth of 16 Hz for this oscillator signal has been measured. An analysis of lateral mode spacing or free spectral range (FSR) as a function of fiber length has been carried out. A parametric comparison with DFB laser-based and multimode VCSEL-based opto-electronic oscillators is also presented.

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2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference

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