红外与激光工程, 2016, 45 (5): 0520008, 网络出版: 2016-06-12   

基于电增益环腔选频特性的小型光电振荡器

Novel mini optoelectronic oscillator based on electrical gain ring resonator cavity
作者单位
解放军理工大学 通信工程学院, 江苏 南京 210007
摘要
为了进一步提高光电振荡器的实用性, 提出了一种基于耦合型电增益环腔的小型化光电振荡器。利用电功分器和放大器构成电增益环腔, 其梳状滤波效应可以有效对光电振荡器进行模式选择, 结合直接调制半导体激光器, 单模光纤和光电检测器, 有效实现了小型化光电振荡器。理论上分析了电增益环腔的基本原理, 并且通过仿真进行了验证。实验中获得了中心频率为12.624 GHz的微波信号, 其相位噪声为-102 dBc/Hz@10 kHz。该方案在结构简单的条件下可以得到质量较高的射频信号, 可以作为光电振荡器实用化的一种解决方法。
Abstract
In order to improve the application of optoelectronic oscillator, a kind of embedded electrical gain ring resonator mini optoelectronic oscillator structure was introduced in this paper. The demonstrated principle of the electrical gain ring resonator optoelectronic oscillator was using the electrical splitter and amplifier realizing a ring resonator cavity which was equal to a filter comb to select the right mode of the optoelectronic oscillator, combined with directly modulated DFB laser, simple mode fiber and photo-detector, a mini optoelectronic oscillator structure was realized. The principle of the electrical gain ring resonator was analyzed and verified by the simulation. In the experiment, a high quality RF signal with the center frequency of 12.624 GHz was realized, the phase noise of the generated signal was -102 dBc/Hz at 10 kHz offset. The proposed scheme can generate higher quality RF signal with a simple structure, it can be a solution to the practical application of optoelectronic oscillator.

滕义超, 张宝富, 吴传信, 庞中晓. 基于电增益环腔选频特性的小型光电振荡器[J]. 红外与激光工程, 2016, 45(5): 0520008. Teng Yichao, Zhang Baofu, Wu Chuanxin, Pang Zhongxiao. Novel mini optoelectronic oscillator based on electrical gain ring resonator cavity[J]. Infrared and Laser Engineering, 2016, 45(5): 0520008.

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