光电振荡器相位噪声和频率稳定性研究进展

Research progress on phase noise and frequency stability of optic-electronic oscillator

光电振荡器(OEO)具有低噪声、高频率稳定性和抗电磁干扰的优势,突破了电子技术产生微波信号频率限制和信号稳定性差、噪声大的瓶颈,成为微波光子学研究热点之一。研究了光电振荡器的基本原理、理论模型、实现方法等关键技术以及应用。提出了OEO应用于微波信号处理系统亟需解决的多光路降噪、光纤温度和应力补偿、光电集成等关键技术及其解决方案。

The technology of optic-electronic oscillator（OEO）, characterized by low noise, high frequency stability and anti-electromagnetic interference ability, is a research hotspot in micro- wave photonics,which breaks through the limitation of microwave signal suchac frequency, im- proves the stability of signal and the big noise based on the electronic technology. The technolo- gies of optic-electronic oscillator, such as the theory, theoretical models and the implementation method,etc and its application are researched. Key technologies and solutions to be used in mi- crowave signal processing system are proposed, such as multi-pass noise reduction,temperature and stress-compensation of optical fiber and optoelectronic integration, which are urgently in need of breakthrough.